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Finding the Fourth Proportional to 546,816.60, 820,224.90 and 310,620.60

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Solution

The fourth proportional to 546,816.60, 820,224.90 and 310,620.60 is: 465,930.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,816.60 : 820,224.90 = 310,620.60 : x
  2. Step 2: Convert to fraction form
    546,816.60/820,224.90 = 310,620.60/x
  3. Step 3: Cross multiply
    546,816.60x = 820,224.90 × 310,620.60
  4. Step 4: Simplify right side
    546,816.60x = 254,778,750,572.94
  5. Step 5: Solve for x
    x = 254,778,750,572.94/546,816.60
  6. Step 6: Final answer
    x = 465,930.90

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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.