Home / 870,368.28-1,304,654.22-365,222.58

Finding the Fourth Proportional to 870,368.28, 1,304,654.22 and 365,222.58

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Solution

The fourth proportional to 870,368.28, 1,304,654.22 and 365,222.58 is: 547,456.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,368.28 : 1,304,654.22 = 365,222.58 : x
  2. Step 2: Convert to fraction form
    870,368.28/1,304,654.22 = 365,222.58/x
  3. Step 3: Cross multiply
    870,368.28x = 1,304,654.22 × 365,222.58
  4. Step 4: Simplify right side
    870,368.28x = 476,489,180,236.29
  5. Step 5: Solve for x
    x = 476,489,180,236.29/870,368.28
  6. Step 6: Final answer
    x = 547,456.97

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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.