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Finding the Fourth Proportional to 552,378.02, 762,098.40 and 450,227.84

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Solution

The fourth proportional to 552,378.02, 762,098.40 and 450,227.84 is: 621,165.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,378.02 : 762,098.40 = 450,227.84 : x
  2. Step 2: Convert to fraction form
    552,378.02/762,098.40 = 450,227.84/x
  3. Step 3: Cross multiply
    552,378.02x = 762,098.40 × 450,227.84
  4. Step 4: Simplify right side
    552,378.02x = 343,117,912,688.96
  5. Step 5: Solve for x
    x = 343,117,912,688.96/552,378.02
  6. Step 6: Final answer
    x = 621,165.04

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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.