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Finding the Fourth Proportional to 546,517.60, 819,776.40 and 310,321.60

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Solution

The fourth proportional to 546,517.60, 819,776.40 and 310,321.60 is: 465,482.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,517.60 : 819,776.40 = 310,321.60 : x
  2. Step 2: Convert to fraction form
    546,517.60/819,776.40 = 310,321.60/x
  3. Step 3: Cross multiply
    546,517.60x = 819,776.40 × 310,321.60
  4. Step 4: Simplify right side
    546,517.60x = 254,394,324,090.24
  5. Step 5: Solve for x
    x = 254,394,324,090.24/546,517.60
  6. Step 6: Final answer
    x = 465,482.40

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Similar ratio
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1.5x scale

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.