Home / 868,825.61-1,199,011.79-486,838.25

Finding the Fourth Proportional to 868,825.61, 1,199,011.79 and 486,838.25

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Solution

The fourth proportional to 868,825.61, 1,199,011.79 and 486,838.25 is: 671,854.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,825.61 : 1,199,011.79 = 486,838.25 : x
  2. Step 2: Convert to fraction form
    868,825.61/1,199,011.79 = 486,838.25/x
  3. Step 3: Cross multiply
    868,825.61x = 1,199,011.79 × 486,838.25
  4. Step 4: Simplify right side
    868,825.61x = 583,724,801,572.97
  5. Step 5: Solve for x
    x = 583,724,801,572.97/868,825.61
  6. Step 6: Final answer
    x = 671,854.97

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.