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Finding the Fourth Proportional to 481,663.40, 722,495.10 and 452,138.90

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Solution

The fourth proportional to 481,663.40, 722,495.10 and 452,138.90 is: 678,208.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,663.40 : 722,495.10 = 452,138.90 : x
  2. Step 2: Convert to fraction form
    481,663.40/722,495.10 = 452,138.90/x
  3. Step 3: Cross multiply
    481,663.40x = 722,495.10 × 452,138.90
  4. Step 4: Simplify right side
    481,663.40x = 326,668,139,769.39
  5. Step 5: Solve for x
    x = 326,668,139,769.39/481,663.40
  6. Step 6: Final answer
    x = 678,208.35

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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.