Home / 801,862.61-1,106,570.31-479,572.66

Finding the Fourth Proportional to 801,862.61, 1,106,570.31 and 479,572.66

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Solution

The fourth proportional to 801,862.61, 1,106,570.31 and 479,572.66 is: 661,810.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,862.61 : 1,106,570.31 = 479,572.66 : x
  2. Step 2: Convert to fraction form
    801,862.61/1,106,570.31 = 479,572.66/x
  3. Step 3: Cross multiply
    801,862.61x = 1,106,570.31 × 479,572.66
  4. Step 4: Simplify right side
    801,862.61x = 530,680,867,043.73
  5. Step 5: Solve for x
    x = 530,680,867,043.73/801,862.61
  6. Step 6: Final answer
    x = 661,810.22

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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.