Home / 749,059.38-1,123,643.75-216,583.20

Finding the Fourth Proportional to 749,059.38, 1,123,643.75 and 216,583.20

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Solution

The fourth proportional to 749,059.38, 1,123,643.75 and 216,583.20 is: 324,890.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,059.38 : 1,123,643.75 = 216,583.20 : x
  2. Step 2: Convert to fraction form
    749,059.38/1,123,643.75 = 216,583.20/x
  3. Step 3: Cross multiply
    749,059.38x = 1,123,643.75 × 216,583.20
  4. Step 4: Simplify right side
    749,059.38x = 243,362,357,952.08
  5. Step 5: Solve for x
    x = 243,362,357,952.08/749,059.38
  6. Step 6: Final answer
    x = 324,890.61

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Double scale
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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.