Home / 828,470.10-1,242,705.15-741,864.90

Finding the Fourth Proportional to 828,470.10, 1,242,705.15 and 741,864.90

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Solution

The fourth proportional to 828,470.10, 1,242,705.15 and 741,864.90 is: 1,112,797.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,470.10 : 1,242,705.15 = 741,864.90 : x
  2. Step 2: Convert to fraction form
    828,470.10/1,242,705.15 = 741,864.90/x
  3. Step 3: Cross multiply
    828,470.10x = 1,242,705.15 × 741,864.90
  4. Step 4: Simplify right side
    828,470.10x = 921,919,331,834.24
  5. Step 5: Solve for x
    x = 921,919,331,834.24/828,470.10
  6. Step 6: Final answer
    x = 1,112,797.35

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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.