Home / 749,288.40-1,123,932.60-450,106.80

Finding the Fourth Proportional to 749,288.40, 1,123,932.60 and 450,106.80

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Solution

The fourth proportional to 749,288.40, 1,123,932.60 and 450,106.80 is: 675,160.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,288.40 : 1,123,932.60 = 450,106.80 : x
  2. Step 2: Convert to fraction form
    749,288.40/1,123,932.60 = 450,106.80/x
  3. Step 3: Cross multiply
    749,288.40x = 1,123,932.60 × 450,106.80
  4. Step 4: Simplify right side
    749,288.40x = 505,889,706,001.68
  5. Step 5: Solve for x
    x = 505,889,706,001.68/749,288.40
  6. Step 6: Final answer
    x = 675,160.20

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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.