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Finding the Fourth Proportional to 576,306.42, 865,068.34 and 323,802.69

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Solution

The fourth proportional to 576,306.42, 865,068.34 and 323,802.69 is: 486,046.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,306.42 : 865,068.34 = 323,802.69 : x
  2. Step 2: Convert to fraction form
    576,306.42/865,068.34 = 323,802.69/x
  3. Step 3: Cross multiply
    576,306.42x = 865,068.34 × 323,802.69
  4. Step 4: Simplify right side
    576,306.42x = 280,111,455,525.84
  5. Step 5: Solve for x
    x = 280,111,455,525.84/576,306.42
  6. Step 6: Final answer
    x = 486,046.04

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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.