Home / 819,589.77-1,131,033.92-480,058.02

Finding the Fourth Proportional to 819,589.77, 1,131,033.92 and 480,058.02

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Solution

The fourth proportional to 819,589.77, 1,131,033.92 and 480,058.02 is: 662,480.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,589.77 : 1,131,033.92 = 480,058.02 : x
  2. Step 2: Convert to fraction form
    819,589.77/1,131,033.92 = 480,058.02/x
  3. Step 3: Cross multiply
    819,589.77x = 1,131,033.92 × 480,058.02
  4. Step 4: Simplify right side
    819,589.77x = 542,961,901,787.75
  5. Step 5: Solve for x
    x = 542,961,901,787.75/819,589.77
  6. Step 6: Final answer
    x = 662,480.09

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1.5x scale

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.