Home / 971,970.53-1,341,293.45-542,239.61

Finding the Fourth Proportional to 971,970.53, 1,341,293.45 and 542,239.61

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Solution

The fourth proportional to 971,970.53, 1,341,293.45 and 542,239.61 is: 748,276.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,970.53 : 1,341,293.45 = 542,239.61 : x
  2. Step 2: Convert to fraction form
    971,970.53/1,341,293.45 = 542,239.61/x
  3. Step 3: Cross multiply
    971,970.53x = 1,341,293.45 × 542,239.61
  4. Step 4: Simplify right side
    971,970.53x = 727,302,427,805.89
  5. Step 5: Solve for x
    x = 727,302,427,805.89/971,970.53
  6. Step 6: Final answer
    x = 748,276.22

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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.