Home / 880,298.76-1,320,543.18-281,049.96

Finding the Fourth Proportional to 880,298.76, 1,320,543.18 and 281,049.96

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Solution

The fourth proportional to 880,298.76, 1,320,543.18 and 281,049.96 is: 421,605.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,298.76 : 1,320,543.18 = 281,049.96 : x
  2. Step 2: Convert to fraction form
    880,298.76/1,320,543.18 = 281,049.96/x
  3. Step 3: Cross multiply
    880,298.76x = 1,320,543.18 × 281,049.96
  4. Step 4: Simplify right side
    880,298.76x = 371,138,607,917.27
  5. Step 5: Solve for x
    x = 371,138,607,917.27/880,298.76
  6. Step 6: Final answer
    x = 421,605.28

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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.