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Finding the Fourth Proportional to 479,537.68, 662,027.16 and 288,598

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Solution

The fourth proportional to 479,537.68, 662,027.16 and 288,598 is: 398,424.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,537.68 : 662,027.16 = 288,598 : x
  2. Step 2: Convert to fraction form
    479,537.68/662,027.16 = 288,598/x
  3. Step 3: Cross multiply
    479,537.68x = 662,027.16 × 288,598
  4. Step 4: Simplify right side
    479,537.68x = 191,059,714,321.68
  5. Step 5: Solve for x
    x = 191,059,714,321.68/479,537.68
  6. Step 6: Final answer
    x = 398,424.82

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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.