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Finding the Fourth Proportional to 472,571.96, 651,956.46 and 288,714.92

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Solution

The fourth proportional to 472,571.96, 651,956.46 and 288,714.92 is: 398,308.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,571.96 : 651,956.46 = 288,714.92 : x
  2. Step 2: Convert to fraction form
    472,571.96/651,956.46 = 288,714.92/x
  3. Step 3: Cross multiply
    472,571.96x = 651,956.46 × 288,714.92
  4. Step 4: Simplify right side
    472,571.96x = 188,229,557,192.38
  5. Step 5: Solve for x
    x = 188,229,557,192.38/472,571.96
  6. Step 6: Final answer
    x = 398,308.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.