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Finding the Fourth Proportional to 723,961.32, 999,047.52 and 397,273.32

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Solution

The fourth proportional to 723,961.32, 999,047.52 and 397,273.32 is: 548,226.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,961.32 : 999,047.52 = 397,273.32 : x
  2. Step 2: Convert to fraction form
    723,961.32/999,047.52 = 397,273.32/x
  3. Step 3: Cross multiply
    723,961.32x = 999,047.52 × 397,273.32
  4. Step 4: Simplify right side
    723,961.32x = 396,894,925,108.17
  5. Step 5: Solve for x
    x = 396,894,925,108.17/723,961.32
  6. Step 6: Final answer
    x = 548,226.70

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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.