Home / 658,264.16-908,399.34-356,458.16

Finding the Fourth Proportional to 658,264.16, 908,399.34 and 356,458.16

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Solution

The fourth proportional to 658,264.16, 908,399.34 and 356,458.16 is: 491,909.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,264.16 : 908,399.34 = 356,458.16 : x
  2. Step 2: Convert to fraction form
    658,264.16/908,399.34 = 356,458.16/x
  3. Step 3: Cross multiply
    658,264.16x = 908,399.34 × 356,458.16
  4. Step 4: Simplify right side
    658,264.16x = 323,806,359,552.61
  5. Step 5: Solve for x
    x = 323,806,359,552.61/658,264.16
  6. Step 6: Final answer
    x = 491,909.45

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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.