Home / 870,947.70-1,304,693.55-767,037.30

Finding the Fourth Proportional to 870,947.70, 1,304,693.55 and 767,037.30

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Solution

The fourth proportional to 870,947.70, 1,304,693.55 and 767,037.30 is: 1,149,034.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,947.70 : 1,304,693.55 = 767,037.30 : x
  2. Step 2: Convert to fraction form
    870,947.70/1,304,693.55 = 767,037.30/x
  3. Step 3: Cross multiply
    870,947.70x = 1,304,693.55 × 767,037.30
  4. Step 4: Simplify right side
    870,947.70x = 1,000,748,617,919.42
  5. Step 5: Solve for x
    x = 1,000,748,617,919.42/870,947.70
  6. Step 6: Final answer
    x = 1,149,034.11

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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.