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Finding the Fourth Proportional to 598,443.62, 896,889.84 and 243,044.78

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Solution

The fourth proportional to 598,443.62, 896,889.84 and 243,044.78 is: 364,252.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,443.62 : 896,889.84 = 243,044.78 : x
  2. Step 2: Convert to fraction form
    598,443.62/896,889.84 = 243,044.78/x
  3. Step 3: Cross multiply
    598,443.62x = 896,889.84 × 243,044.78
  4. Step 4: Simplify right side
    598,443.62x = 217,984,393,847.04
  5. Step 5: Solve for x
    x = 217,984,393,847.04/598,443.62
  6. Step 6: Final answer
    x = 364,252.18

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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.