Home / 658,373.31-908,629.20-371,911.86

Finding the Fourth Proportional to 658,373.31, 908,629.20 and 371,911.86

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Solution

The fourth proportional to 658,373.31, 908,629.20 and 371,911.86 is: 513,280.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,373.31 : 908,629.20 = 371,911.86 : x
  2. Step 2: Convert to fraction form
    658,373.31/908,629.20 = 371,911.86/x
  3. Step 3: Cross multiply
    658,373.31x = 908,629.20 × 371,911.86
  4. Step 4: Simplify right side
    658,373.31x = 337,929,975,822.31
  5. Step 5: Solve for x
    x = 337,929,975,822.31/658,373.31
  6. Step 6: Final answer
    x = 513,280.19

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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.