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Finding the Fourth Proportional to 510,135.60, 765,203.40 and 484,474.80

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Solution

The fourth proportional to 510,135.60, 765,203.40 and 484,474.80 is: 726,712.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,135.60 : 765,203.40 = 484,474.80 : x
  2. Step 2: Convert to fraction form
    510,135.60/765,203.40 = 484,474.80/x
  3. Step 3: Cross multiply
    510,135.60x = 765,203.40 × 484,474.80
  4. Step 4: Simplify right side
    510,135.60x = 370,721,764,174.32
  5. Step 5: Solve for x
    x = 370,721,764,174.32/510,135.60
  6. Step 6: Final answer
    x = 726,712.20

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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.