Home / 782,110.66-1,079,312.71-424,414.66

Finding the Fourth Proportional to 782,110.66, 1,079,312.71 and 424,414.66

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Solution

The fourth proportional to 782,110.66, 1,079,312.71 and 424,414.66 is: 585,692.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,110.66 : 1,079,312.71 = 424,414.66 : x
  2. Step 2: Convert to fraction form
    782,110.66/1,079,312.71 = 424,414.66/x
  3. Step 3: Cross multiply
    782,110.66x = 1,079,312.71 × 424,414.66
  4. Step 4: Simplify right side
    782,110.66x = 458,076,132,027.97
  5. Step 5: Solve for x
    x = 458,076,132,027.97/782,110.66
  6. Step 6: Final answer
    x = 585,692.23

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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.