Home / 724,916.17-1,086,957.56-298,746.21

Finding the Fourth Proportional to 724,916.17, 1,086,957.56 and 298,746.21

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Solution

The fourth proportional to 724,916.17, 1,086,957.56 and 298,746.21 is: 447,947.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,916.17 : 1,086,957.56 = 298,746.21 : x
  2. Step 2: Convert to fraction form
    724,916.17/1,086,957.56 = 298,746.21/x
  3. Step 3: Cross multiply
    724,916.17x = 1,086,957.56 × 298,746.21
  4. Step 4: Simplify right side
    724,916.17x = 324,724,451,480.85
  5. Step 5: Solve for x
    x = 324,724,451,480.85/724,916.17
  6. Step 6: Final answer
    x = 447,947.59

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Double scale
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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.