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Finding the Fourth Proportional to 880,657.80, 1,215,679.86 and 594,565.44

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Solution

The fourth proportional to 880,657.80, 1,215,679.86 and 594,565.44 is: 820,751.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,657.80 : 1,215,679.86 = 594,565.44 : x
  2. Step 2: Convert to fraction form
    880,657.80/1,215,679.86 = 594,565.44/x
  3. Step 3: Cross multiply
    880,657.80x = 1,215,679.86 × 594,565.44
  4. Step 4: Simplify right side
    880,657.80x = 722,801,230,860.04
  5. Step 5: Solve for x
    x = 722,801,230,860.04/880,657.80
  6. Step 6: Final answer
    x = 820,751.52

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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.