Home / 971,940.76-1,341,278.82-542,220.89

Finding the Fourth Proportional to 971,940.76, 1,341,278.82 and 542,220.89

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Solution

The fourth proportional to 971,940.76, 1,341,278.82 and 542,220.89 is: 748,265.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,940.76 : 1,341,278.82 = 542,220.89 : x
  2. Step 2: Convert to fraction form
    971,940.76/1,341,278.82 = 542,220.89/x
  3. Step 3: Cross multiply
    971,940.76x = 1,341,278.82 × 542,220.89
  4. Step 4: Simplify right side
    971,940.76x = 727,269,395,518.55
  5. Step 5: Solve for x
    x = 727,269,395,518.55/971,940.76
  6. Step 6: Final answer
    x = 748,265.15

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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.