Home / 712,901.91-1,069,352.88-239,587.28

Finding the Fourth Proportional to 712,901.91, 1,069,352.88 and 239,587.28

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Solution

The fourth proportional to 712,901.91, 1,069,352.88 and 239,587.28 is: 359,380.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,901.91 : 1,069,352.88 = 239,587.28 : x
  2. Step 2: Convert to fraction form
    712,901.91/1,069,352.88 = 239,587.28/x
  3. Step 3: Cross multiply
    712,901.91x = 1,069,352.88 × 239,587.28
  4. Step 4: Simplify right side
    712,901.91x = 256,203,350,552.75
  5. Step 5: Solve for x
    x = 256,203,350,552.75/712,901.91
  6. Step 6: Final answer
    x = 359,380.93

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Double scale
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Similar ratio
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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.