Home / 658,344.96-908,515.20-356,540.16

Finding the Fourth Proportional to 658,344.96, 908,515.20 and 356,540.16

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Solution

The fourth proportional to 658,344.96, 908,515.20 and 356,540.16 is: 492,024.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,344.96 : 908,515.20 = 356,540.16 : x
  2. Step 2: Convert to fraction form
    658,344.96/908,515.20 = 356,540.16/x
  3. Step 3: Cross multiply
    658,344.96x = 908,515.20 × 356,540.16
  4. Step 4: Simplify right side
    658,344.96x = 323,922,154,770.43
  5. Step 5: Solve for x
    x = 323,922,154,770.43/658,344.96
  6. Step 6: Final answer
    x = 492,024.96

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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.