Home / 956,840-1,320,499.68-527,120.96

Finding the Fourth Proportional to 956,840, 1,320,499.68 and 527,120.96

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Solution

The fourth proportional to 956,840, 1,320,499.68 and 527,120.96 is: 727,460.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,840 : 1,320,499.68 = 527,120.96 : x
  2. Step 2: Convert to fraction form
    956,840/1,320,499.68 = 527,120.96/x
  3. Step 3: Cross multiply
    956,840x = 1,320,499.68 × 527,120.96
  4. Step 4: Simplify right side
    956,840x = 696,063,059,001.29
  5. Step 5: Solve for x
    x = 696,063,059,001.29/956,840
  6. Step 6: Final answer
    x = 727,460.24

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1.5x scale

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.