Home / 552,401.28-762,288.57-307,398.15

Finding the Fourth Proportional to 552,401.28, 762,288.57 and 307,398.15

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Solution

The fourth proportional to 552,401.28, 762,288.57 and 307,398.15 is: 424,195.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,401.28 : 762,288.57 = 307,398.15 : x
  2. Step 2: Convert to fraction form
    552,401.28/762,288.57 = 307,398.15/x
  3. Step 3: Cross multiply
    552,401.28x = 762,288.57 × 307,398.15
  4. Step 4: Simplify right side
    552,401.28x = 234,326,096,184.15
  5. Step 5: Solve for x
    x = 234,326,096,184.15/552,401.28
  6. Step 6: Final answer
    x = 424,195.43

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1.5x scale

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.