Home / 859,003.02-1,287,935.82-409,793.22

Finding the Fourth Proportional to 859,003.02, 1,287,935.82 and 409,793.22

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Solution

The fourth proportional to 859,003.02, 1,287,935.82 and 409,793.22 is: 614,418.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,003.02 : 1,287,935.82 = 409,793.22 : x
  2. Step 2: Convert to fraction form
    859,003.02/1,287,935.82 = 409,793.22/x
  3. Step 3: Cross multiply
    859,003.02x = 1,287,935.82 × 409,793.22
  4. Step 4: Simplify right side
    859,003.02x = 527,787,366,831.14
  5. Step 5: Solve for x
    x = 527,787,366,831.14/859,003.02
  6. Step 6: Final answer
    x = 614,418.52

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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.