Home / 626,921.40-938,826.90-502,505.40

Finding the Fourth Proportional to 626,921.40, 938,826.90 and 502,505.40

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Solution

The fourth proportional to 626,921.40, 938,826.90 and 502,505.40 is: 752,511.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,921.40 : 938,826.90 = 502,505.40 : x
  2. Step 2: Convert to fraction form
    626,921.40/938,826.90 = 502,505.40/x
  3. Step 3: Cross multiply
    626,921.40x = 938,826.90 × 502,505.40
  4. Step 4: Simplify right side
    626,921.40x = 471,765,586,915.26
  5. Step 5: Solve for x
    x = 471,765,586,915.26/626,921.40
  6. Step 6: Final answer
    x = 752,511.54

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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.