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Finding the Fourth Proportional to 662,402.88, 990,552.24 and 491,946.48

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Solution

The fourth proportional to 662,402.88, 990,552.24 and 491,946.48 is: 735,653.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,402.88 : 990,552.24 = 491,946.48 : x
  2. Step 2: Convert to fraction form
    662,402.88/990,552.24 = 491,946.48/x
  3. Step 3: Cross multiply
    662,402.88x = 990,552.24 × 491,946.48
  4. Step 4: Simplify right side
    662,402.88x = 487,298,687,724.12
  5. Step 5: Solve for x
    x = 487,298,687,724.12/662,402.88
  6. Step 6: Final answer
    x = 735,653.03

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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.