Home / 748,775.64-1,123,163.45-180,156.75

Finding the Fourth Proportional to 748,775.64, 1,123,163.45 and 180,156.75

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Solution

The fourth proportional to 748,775.64, 1,123,163.45 and 180,156.75 is: 270,235.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,775.64 : 1,123,163.45 = 180,156.75 : x
  2. Step 2: Convert to fraction form
    748,775.64/1,123,163.45 = 180,156.75/x
  3. Step 3: Cross multiply
    748,775.64x = 1,123,163.45 × 180,156.75
  4. Step 4: Simplify right side
    748,775.64x = 202,345,475,970.00
  5. Step 5: Solve for x
    x = 202,345,475,970.00/748,775.64
  6. Step 6: Final answer
    x = 270,235.12

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Half scale
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Double scale
Find fourth proportional to 748,776.64, 1,123,164.94 and 180,157.75
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.