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Finding the Fourth Proportional to 585,502.46, 807,982.88 and 330,848.18

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Solution

The fourth proportional to 585,502.46, 807,982.88 and 330,848.18 is: 456,564.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,502.46 : 807,982.88 = 330,848.18 : x
  2. Step 2: Convert to fraction form
    585,502.46/807,982.88 = 330,848.18/x
  3. Step 3: Cross multiply
    585,502.46x = 807,982.88 × 330,848.18
  4. Step 4: Simplify right side
    585,502.46x = 267,319,665,319.16
  5. Step 5: Solve for x
    x = 267,319,665,319.16/585,502.46
  6. Step 6: Final answer
    x = 456,564.55

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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.