Home / 726,264.56-1,002,245.10-408,312.56

Finding the Fourth Proportional to 726,264.56, 1,002,245.10 and 408,312.56

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Solution

The fourth proportional to 726,264.56, 1,002,245.10 and 408,312.56 is: 563,471.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,264.56 : 1,002,245.10 = 408,312.56 : x
  2. Step 2: Convert to fraction form
    726,264.56/1,002,245.10 = 408,312.56/x
  3. Step 3: Cross multiply
    726,264.56x = 1,002,245.10 × 408,312.56
  4. Step 4: Simplify right side
    726,264.56x = 409,229,263,502.90
  5. Step 5: Solve for x
    x = 409,229,263,502.90/726,264.56
  6. Step 6: Final answer
    x = 563,471.34

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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.