Home / 763,266.92-1,144,904.32-447,502.39

Finding the Fourth Proportional to 763,266.92, 1,144,904.32 and 447,502.39

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Solution

The fourth proportional to 763,266.92, 1,144,904.32 and 447,502.39 is: 671,255.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,266.92 : 1,144,904.32 = 447,502.39 : x
  2. Step 2: Convert to fraction form
    763,266.92/1,144,904.32 = 447,502.39/x
  3. Step 3: Cross multiply
    763,266.92x = 1,144,904.32 × 447,502.39
  4. Step 4: Simplify right side
    763,266.92x = 512,347,419,521.33
  5. Step 5: Solve for x
    x = 512,347,419,521.33/763,266.92
  6. Step 6: Final answer
    x = 671,255.90

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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.