Home / 479,917.44-719,963.64-240,156.72

Finding the Fourth Proportional to 479,917.44, 719,963.64 and 240,156.72

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Solution

The fourth proportional to 479,917.44, 719,963.64 and 240,156.72 is: 360,278.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,917.44 : 719,963.64 = 240,156.72 : x
  2. Step 2: Convert to fraction form
    479,917.44/719,963.64 = 240,156.72/x
  3. Step 3: Cross multiply
    479,917.44x = 719,963.64 × 240,156.72
  4. Step 4: Simplify right side
    479,917.44x = 172,904,106,301.66
  5. Step 5: Solve for x
    x = 172,904,106,301.66/479,917.44
  6. Step 6: Final answer
    x = 360,278.86

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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.