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Finding the Fourth Proportional to 469,205.04, 703,699.68 and 279,719.04

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Solution

The fourth proportional to 469,205.04, 703,699.68 and 279,719.04 is: 419,514.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,205.04 : 703,699.68 = 279,719.04 : x
  2. Step 2: Convert to fraction form
    469,205.04/703,699.68 = 279,719.04/x
  3. Step 3: Cross multiply
    469,205.04x = 703,699.68 × 279,719.04
  4. Step 4: Simplify right side
    469,205.04x = 196,838,198,937.91
  5. Step 5: Solve for x
    x = 196,838,198,937.91/469,205.04
  6. Step 6: Final answer
    x = 419,514.25

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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.