Home / 658,340.79-908,584.17-371,879.33

Finding the Fourth Proportional to 658,340.79, 908,584.17 and 371,879.33

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Solution

The fourth proportional to 658,340.79, 908,584.17 and 371,879.33 is: 513,235.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,340.79 : 908,584.17 = 371,879.33 : x
  2. Step 2: Convert to fraction form
    658,340.79/908,584.17 = 371,879.33/x
  3. Step 3: Cross multiply
    658,340.79x = 908,584.17 × 371,879.33
  4. Step 4: Simplify right side
    658,340.79x = 337,883,672,388.21
  5. Step 5: Solve for x
    x = 337,883,672,388.21/658,340.79
  6. Step 6: Final answer
    x = 513,235.21

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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.