Home / 762,695.29-1,052,535.57-418,528.21

Finding the Fourth Proportional to 762,695.29, 1,052,535.57 and 418,528.21

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Solution

The fourth proportional to 762,695.29, 1,052,535.57 and 418,528.21 is: 577,577.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,695.29 : 1,052,535.57 = 418,528.21 : x
  2. Step 2: Convert to fraction form
    762,695.29/1,052,535.57 = 418,528.21/x
  3. Step 3: Cross multiply
    762,695.29x = 1,052,535.57 × 418,528.21
  4. Step 4: Simplify right side
    762,695.29x = 440,515,822,810.75
  5. Step 5: Solve for x
    x = 440,515,822,810.75/762,695.29
  6. Step 6: Final answer
    x = 577,577.74

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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.