Home / 479,320.66-719,079.34-195,010.46

Finding the Fourth Proportional to 479,320.66, 719,079.34 and 195,010.46

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Solution

The fourth proportional to 479,320.66, 719,079.34 and 195,010.46 is: 292,555.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,320.66 : 719,079.34 = 195,010.46 : x
  2. Step 2: Convert to fraction form
    479,320.66/719,079.34 = 195,010.46/x
  3. Step 3: Cross multiply
    479,320.66x = 719,079.34 × 195,010.46
  4. Step 4: Simplify right side
    479,320.66x = 140,227,992,869.90
  5. Step 5: Solve for x
    x = 140,227,992,869.90/479,320.66
  6. Step 6: Final answer
    x = 292,555.70

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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.