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Finding the Fourth Proportional to 488,252.40, 732,378.60 and 322,040.40

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Solution

The fourth proportional to 488,252.40, 732,378.60 and 322,040.40 is: 483,060.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,252.40 : 732,378.60 = 322,040.40 : x
  2. Step 2: Convert to fraction form
    488,252.40/732,378.60 = 322,040.40/x
  3. Step 3: Cross multiply
    488,252.40x = 732,378.60 × 322,040.40
  4. Step 4: Simplify right side
    488,252.40x = 235,855,497,295.44
  5. Step 5: Solve for x
    x = 235,855,497,295.44/488,252.40
  6. Step 6: Final answer
    x = 483,060.60

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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.