Home / 667,532.30-1,001,298.45-489,073.10

Finding the Fourth Proportional to 667,532.30, 1,001,298.45 and 489,073.10

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Solution

The fourth proportional to 667,532.30, 1,001,298.45 and 489,073.10 is: 733,609.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,532.30 : 1,001,298.45 = 489,073.10 : x
  2. Step 2: Convert to fraction form
    667,532.30/1,001,298.45 = 489,073.10/x
  3. Step 3: Cross multiply
    667,532.30x = 1,001,298.45 × 489,073.10
  4. Step 4: Simplify right side
    667,532.30x = 489,708,136,966.70
  5. Step 5: Solve for x
    x = 489,708,136,966.70/667,532.30
  6. Step 6: Final answer
    x = 733,609.65

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Similar ratio
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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.