Home / 733,614.12-1,012,145.48-443,117.13

Finding the Fourth Proportional to 733,614.12, 1,012,145.48 and 443,117.13

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Solution

The fourth proportional to 733,614.12, 1,012,145.48 and 443,117.13 is: 611,355.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,614.12 : 1,012,145.48 = 443,117.13 : x
  2. Step 2: Convert to fraction form
    733,614.12/1,012,145.48 = 443,117.13/x
  3. Step 3: Cross multiply
    733,614.12x = 1,012,145.48 × 443,117.13
  4. Step 4: Simplify right side
    733,614.12x = 448,499,000,554.85
  5. Step 5: Solve for x
    x = 448,499,000,554.85/733,614.12
  6. Step 6: Final answer
    x = 611,355.47

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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.