Home / 658,513.16-908,748.18-356,707.16

Finding the Fourth Proportional to 658,513.16, 908,748.18 and 356,707.16

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Solution

The fourth proportional to 658,513.16, 908,748.18 and 356,707.16 is: 492,255.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,513.16 : 908,748.18 = 356,707.16 : x
  2. Step 2: Convert to fraction form
    658,513.16/908,748.18 = 356,707.16/x
  3. Step 3: Cross multiply
    658,513.16x = 908,748.18 × 356,707.16
  4. Step 4: Simplify right side
    658,513.16x = 324,156,982,442.97
  5. Step 5: Solve for x
    x = 324,156,982,442.97/658,513.16
  6. Step 6: Final answer
    x = 492,255.89

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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.