Home / 733,642.79-1,012,437.38-443,213.96

Finding the Fourth Proportional to 733,642.79, 1,012,437.38 and 443,213.96

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Solution

The fourth proportional to 733,642.79, 1,012,437.38 and 443,213.96 is: 611,641.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,642.79 : 1,012,437.38 = 443,213.96 : x
  2. Step 2: Convert to fraction form
    733,642.79/1,012,437.38 = 443,213.96/x
  3. Step 3: Cross multiply
    733,642.79x = 1,012,437.38 × 443,213.96
  4. Step 4: Simplify right side
    733,642.79x = 448,726,376,487.67
  5. Step 5: Solve for x
    x = 448,726,376,487.67/733,642.79
  6. Step 6: Final answer
    x = 611,641.50

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.