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Finding the Fourth Proportional to 546,412.60, 819,618.90 and 310,216.60

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Solution

The fourth proportional to 546,412.60, 819,618.90 and 310,216.60 is: 465,324.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,412.60 : 819,618.90 = 310,216.60 : x
  2. Step 2: Convert to fraction form
    546,412.60/819,618.90 = 310,216.60/x
  3. Step 3: Cross multiply
    546,412.60x = 819,618.90 × 310,216.60
  4. Step 4: Simplify right side
    546,412.60x = 254,259,388,453.74
  5. Step 5: Solve for x
    x = 254,259,388,453.74/546,412.60
  6. Step 6: Final answer
    x = 465,324.90

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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.