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Finding the Fourth Proportional to 880,656.80, 1,215,678.48 and 594,564.44

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Solution

The fourth proportional to 880,656.80, 1,215,678.48 and 594,564.44 is: 820,750.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,656.80 : 1,215,678.48 = 594,564.44 : x
  2. Step 2: Convert to fraction form
    880,656.80/1,215,678.48 = 594,564.44/x
  3. Step 3: Cross multiply
    880,656.80x = 1,215,678.48 × 594,564.44
  4. Step 4: Simplify right side
    880,656.80x = 722,799,194,681.25
  5. Step 5: Solve for x
    x = 722,799,194,681.25/880,656.80
  6. Step 6: Final answer
    x = 820,750.14

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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.