Home / 938,205.60-1,407,396.02-264,285.78

Finding the Fourth Proportional to 938,205.60, 1,407,396.02 and 264,285.78

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Solution

The fourth proportional to 938,205.60, 1,407,396.02 and 264,285.78 is: 396,453.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,205.60 : 1,407,396.02 = 264,285.78 : x
  2. Step 2: Convert to fraction form
    938,205.60/1,407,396.02 = 264,285.78/x
  3. Step 3: Cross multiply
    938,205.60x = 1,407,396.02 × 264,285.78
  4. Step 4: Simplify right side
    938,205.60x = 371,954,753,593.17
  5. Step 5: Solve for x
    x = 371,954,753,593.17/938,205.60
  6. Step 6: Final answer
    x = 396,453.35

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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.