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Finding the Fourth Proportional to 515,029.40, 772,544.10 and 494,034.20

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Solution

The fourth proportional to 515,029.40, 772,544.10 and 494,034.20 is: 741,051.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,029.40 : 772,544.10 = 494,034.20 : x
  2. Step 2: Convert to fraction form
    515,029.40/772,544.10 = 494,034.20/x
  3. Step 3: Cross multiply
    515,029.40x = 772,544.10 × 494,034.20
  4. Step 4: Simplify right side
    515,029.40x = 381,663,206,408.22
  5. Step 5: Solve for x
    x = 381,663,206,408.22/515,029.40
  6. Step 6: Final answer
    x = 741,051.30

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Similar ratio
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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.