Home / 870,016.69-1,304,610.85-357,601.78

Finding the Fourth Proportional to 870,016.69, 1,304,610.85 and 357,601.78

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Solution

The fourth proportional to 870,016.69, 1,304,610.85 and 357,601.78 is: 536,232.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,016.69 : 1,304,610.85 = 357,601.78 : x
  2. Step 2: Convert to fraction form
    870,016.69/1,304,610.85 = 357,601.78/x
  3. Step 3: Cross multiply
    870,016.69x = 1,304,610.85 × 357,601.78
  4. Step 4: Simplify right side
    870,016.69x = 466,531,162,167.31
  5. Step 5: Solve for x
    x = 466,531,162,167.31/870,016.69
  6. Step 6: Final answer
    x = 536,232.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.