Home / 870,309.72-1,304,566.50-365,164.02

Finding the Fourth Proportional to 870,309.72, 1,304,566.50 and 365,164.02

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Solution

The fourth proportional to 870,309.72, 1,304,566.50 and 365,164.02 is: 547,369.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,309.72 : 1,304,566.50 = 365,164.02 : x
  2. Step 2: Convert to fraction form
    870,309.72/1,304,566.50 = 365,164.02/x
  3. Step 3: Cross multiply
    870,309.72x = 1,304,566.50 × 365,164.02
  4. Step 4: Simplify right side
    870,309.72x = 476,380,747,497.33
  5. Step 5: Solve for x
    x = 476,380,747,497.33/870,309.72
  6. Step 6: Final answer
    x = 547,369.21

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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.