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Finding the Fourth Proportional to 658,092.40, 986,908.20 and 342,444.40

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Solution

The fourth proportional to 658,092.40, 986,908.20 and 342,444.40 is: 513,546.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,092.40 : 986,908.20 = 342,444.40 : x
  2. Step 2: Convert to fraction form
    658,092.40/986,908.20 = 342,444.40/x
  3. Step 3: Cross multiply
    658,092.40x = 986,908.20 × 342,444.40
  4. Step 4: Simplify right side
    658,092.40x = 337,961,186,404.08
  5. Step 5: Solve for x
    x = 337,961,186,404.08/658,092.40
  6. Step 6: Final answer
    x = 513,546.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.