Home / 627,334.88-865,327.10-500,313.92

Finding the Fourth Proportional to 627,334.88, 865,327.10 and 500,313.92

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Solution

The fourth proportional to 627,334.88, 865,327.10 and 500,313.92 is: 690,118.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,334.88 : 865,327.10 = 500,313.92 : x
  2. Step 2: Convert to fraction form
    627,334.88/865,327.10 = 500,313.92/x
  3. Step 3: Cross multiply
    627,334.88x = 865,327.10 × 500,313.92
  4. Step 4: Simplify right side
    627,334.88x = 432,935,189,469.29
  5. Step 5: Solve for x
    x = 432,935,189,469.29/627,334.88
  6. Step 6: Final answer
    x = 690,118.16

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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.