Home / 868,969.55-1,199,111.85-486,922.52

Finding the Fourth Proportional to 868,969.55, 1,199,111.85 and 486,922.52

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Solution

The fourth proportional to 868,969.55, 1,199,111.85 and 486,922.52 is: 671,916.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,969.55 : 1,199,111.85 = 486,922.52 : x
  2. Step 2: Convert to fraction form
    868,969.55/1,199,111.85 = 486,922.52/x
  3. Step 3: Cross multiply
    868,969.55x = 1,199,111.85 × 486,922.52
  4. Step 4: Simplify right side
    868,969.55x = 583,874,566,761.64
  5. Step 5: Solve for x
    x = 583,874,566,761.64/868,969.55
  6. Step 6: Final answer
    x = 671,916.02

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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.