Home / 627,155.74-865,372.32-369,250.00

Finding the Fourth Proportional to 627,155.74, 865,372.32 and 369,250.00

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Solution

The fourth proportional to 627,155.74, 865,372.32 and 369,250.00 is: 509,504.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,155.74 : 865,372.32 = 369,250.00 : x
  2. Step 2: Convert to fraction form
    627,155.74/865,372.32 = 369,250.00/x
  3. Step 3: Cross multiply
    627,155.74x = 865,372.32 × 369,250.00
  4. Step 4: Simplify right side
    627,155.74x = 319,538,733,600.48
  5. Step 5: Solve for x
    x = 319,538,733,600.48/627,155.74
  6. Step 6: Final answer
    x = 509,504.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.