Home / 954,943.30-1,317,379.98-572,305.78

Finding the Fourth Proportional to 954,943.30, 1,317,379.98 and 572,305.78

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Solution

The fourth proportional to 954,943.30, 1,317,379.98 and 572,305.78 is: 789,517.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    954,943.30 : 1,317,379.98 = 572,305.78 : x
  2. Step 2: Convert to fraction form
    954,943.30/1,317,379.98 = 572,305.78/x
  3. Step 3: Cross multiply
    954,943.30x = 1,317,379.98 × 572,305.78
  4. Step 4: Simplify right side
    954,943.30x = 753,944,177,010.28
  5. Step 5: Solve for x
    x = 753,944,177,010.28/954,943.30
  6. Step 6: Final answer
    x = 789,517.22

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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.