Home / 868,838.73-1,198,997.81-529,306.98

Finding the Fourth Proportional to 868,838.73, 1,198,997.81 and 529,306.98

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Solution

The fourth proportional to 868,838.73, 1,198,997.81 and 529,306.98 is: 730,443.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,838.73 : 1,198,997.81 = 529,306.98 : x
  2. Step 2: Convert to fraction form
    868,838.73/1,198,997.81 = 529,306.98/x
  3. Step 3: Cross multiply
    868,838.73x = 1,198,997.81 × 529,306.98
  4. Step 4: Simplify right side
    868,838.73x = 634,637,909,837.71
  5. Step 5: Solve for x
    x = 634,637,909,837.71/868,838.73
  6. Step 6: Final answer
    x = 730,443.85

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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.