Home / 869,726.10-1,304,712.17-270,747.70

Finding the Fourth Proportional to 869,726.10, 1,304,712.17 and 270,747.70

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Solution

The fourth proportional to 869,726.10, 1,304,712.17 and 270,747.70 is: 406,159.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,726.10 : 1,304,712.17 = 270,747.70 : x
  2. Step 2: Convert to fraction form
    869,726.10/1,304,712.17 = 270,747.70/x
  3. Step 3: Cross multiply
    869,726.10x = 1,304,712.17 × 270,747.70
  4. Step 4: Simplify right side
    869,726.10x = 353,247,819,189.51
  5. Step 5: Solve for x
    x = 353,247,819,189.51/869,726.10
  6. Step 6: Final answer
    x = 406,159.85

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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.