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Finding the Fourth Proportional to 573,026.14, 790,797.42 and 343,620.78

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Solution

The fourth proportional to 573,026.14, 790,797.42 and 343,620.78 is: 474,209.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,026.14 : 790,797.42 = 343,620.78 : x
  2. Step 2: Convert to fraction form
    573,026.14/790,797.42 = 343,620.78/x
  3. Step 3: Cross multiply
    573,026.14x = 790,797.42 × 343,620.78
  4. Step 4: Simplify right side
    573,026.14x = 271,734,423,316.90
  5. Step 5: Solve for x
    x = 271,734,423,316.90/573,026.14
  6. Step 6: Final answer
    x = 474,209.47

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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.