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Finding the Fourth Proportional to 585,013.04, 807,318.04 and 330,380.62

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Solution

The fourth proportional to 585,013.04, 807,318.04 and 330,380.62 is: 455,925.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,013.04 : 807,318.04 = 330,380.62 : x
  2. Step 2: Convert to fraction form
    585,013.04/807,318.04 = 330,380.62/x
  3. Step 3: Cross multiply
    585,013.04x = 807,318.04 × 330,380.62
  4. Step 4: Simplify right side
    585,013.04x = 266,722,234,592.39
  5. Step 5: Solve for x
    x = 266,722,234,592.39/585,013.04
  6. Step 6: Final answer
    x = 455,925.28

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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.