Home / 856,335.89-1,181,692.73-469,073.90

Finding the Fourth Proportional to 856,335.89, 1,181,692.73 and 469,073.90

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Solution

The fourth proportional to 856,335.89, 1,181,692.73 and 469,073.90 is: 647,294.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,335.89 : 1,181,692.73 = 469,073.90 : x
  2. Step 2: Convert to fraction form
    856,335.89/1,181,692.73 = 469,073.90/x
  3. Step 3: Cross multiply
    856,335.89x = 1,181,692.73 × 469,073.90
  4. Step 4: Simplify right side
    856,335.89x = 554,301,212,726.97
  5. Step 5: Solve for x
    x = 554,301,212,726.97/856,335.89
  6. Step 6: Final answer
    x = 647,294.15

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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.