Home / 870,024.81-1,304,863.56-293,591.76

Finding the Fourth Proportional to 870,024.81, 1,304,863.56 and 293,591.76

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Solution

The fourth proportional to 870,024.81, 1,304,863.56 and 293,591.76 is: 440,329.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,024.81 : 1,304,863.56 = 293,591.76 : x
  2. Step 2: Convert to fraction form
    870,024.81/1,304,863.56 = 293,591.76/x
  3. Step 3: Cross multiply
    870,024.81x = 1,304,863.56 × 293,591.76
  4. Step 4: Simplify right side
    870,024.81x = 383,097,189,140.27
  5. Step 5: Solve for x
    x = 383,097,189,140.27/870,024.81
  6. Step 6: Final answer
    x = 440,329.04

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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.