Home / 782,261.76-1,079,521.92-424,565.76

Finding the Fourth Proportional to 782,261.76, 1,079,521.92 and 424,565.76

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Solution

The fourth proportional to 782,261.76, 1,079,521.92 and 424,565.76 is: 585,901.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,261.76 : 1,079,521.92 = 424,565.76 : x
  2. Step 2: Convert to fraction form
    782,261.76/1,079,521.92 = 424,565.76/x
  3. Step 3: Cross multiply
    782,261.76x = 1,079,521.92 × 424,565.76
  4. Step 4: Simplify right side
    782,261.76x = 458,328,044,401.46
  5. Step 5: Solve for x
    x = 458,328,044,401.46/782,261.76
  6. Step 6: Final answer
    x = 585,901.12

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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.