Home / 956,254.31-1,319,654.59-520,695.53

Finding the Fourth Proportional to 956,254.31, 1,319,654.59 and 520,695.53

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Solution

The fourth proportional to 956,254.31, 1,319,654.59 and 520,695.53 is: 718,572.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,254.31 : 1,319,654.59 = 520,695.53 : x
  2. Step 2: Convert to fraction form
    956,254.31/1,319,654.59 = 520,695.53/x
  3. Step 3: Cross multiply
    956,254.31x = 1,319,654.59 × 520,695.53
  4. Step 4: Simplify right side
    956,254.31x = 687,138,246,156.98
  5. Step 5: Solve for x
    x = 687,138,246,156.98/956,254.31
  6. Step 6: Final answer
    x = 718,572.70

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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.