Home / 708,423.70-1,062,635.55-288,001.30

Finding the Fourth Proportional to 708,423.70, 1,062,635.55 and 288,001.30

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Solution

The fourth proportional to 708,423.70, 1,062,635.55 and 288,001.30 is: 432,001.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,423.70 : 1,062,635.55 = 288,001.30 : x
  2. Step 2: Convert to fraction form
    708,423.70/1,062,635.55 = 288,001.30/x
  3. Step 3: Cross multiply
    708,423.70x = 1,062,635.55 × 288,001.30
  4. Step 4: Simplify right side
    708,423.70x = 306,040,419,826.22
  5. Step 5: Solve for x
    x = 306,040,419,826.22/708,423.70
  6. Step 6: Final answer
    x = 432,001.95

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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.