Home / 724,374.66-1,085,896.77-250,728.78

Finding the Fourth Proportional to 724,374.66, 1,085,896.77 and 250,728.78

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Solution

The fourth proportional to 724,374.66, 1,085,896.77 and 250,728.78 is: 375,862.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,374.66 : 1,085,896.77 = 250,728.78 : x
  2. Step 2: Convert to fraction form
    724,374.66/1,085,896.77 = 250,728.78/x
  3. Step 3: Cross multiply
    724,374.66x = 1,085,896.77 × 250,728.78
  4. Step 4: Simplify right side
    724,374.66x = 272,265,572,348.04
  5. Step 5: Solve for x
    x = 272,265,572,348.04/724,374.66
  6. Step 6: Final answer
    x = 375,862.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.