Home / 724,680.92-1,086,762.72-298,092.08

Finding the Fourth Proportional to 724,680.92, 1,086,762.72 and 298,092.08

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Solution

The fourth proportional to 724,680.92, 1,086,762.72 and 298,092.08 is: 447,031.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,680.92 : 1,086,762.72 = 298,092.08 : x
  2. Step 2: Convert to fraction form
    724,680.92/1,086,762.72 = 298,092.08/x
  3. Step 3: Cross multiply
    724,680.92x = 1,086,762.72 × 298,092.08
  4. Step 4: Simplify right side
    724,680.92x = 323,955,359,671.26
  5. Step 5: Solve for x
    x = 323,955,359,671.26/724,680.92
  6. Step 6: Final answer
    x = 447,031.72

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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.