Home / 379,537.47-523,761.26-207,456.57

Finding the Fourth Proportional to 379,537.47, 523,761.26 and 207,456.57

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Solution

The fourth proportional to 379,537.47, 523,761.26 and 207,456.57 is: 286,289.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,537.47 : 523,761.26 = 207,456.57 : x
  2. Step 2: Convert to fraction form
    379,537.47/523,761.26 = 207,456.57/x
  3. Step 3: Cross multiply
    379,537.47x = 523,761.26 × 207,456.57
  4. Step 4: Simplify right side
    379,537.47x = 108,657,713,461.20
  5. Step 5: Solve for x
    x = 108,657,713,461.20/379,537.47
  6. Step 6: Final answer
    x = 286,289.82

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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.