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Finding the Fourth Proportional to 537,005.20, 804,816.60 and 326,419.60

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Solution

The fourth proportional to 537,005.20, 804,816.60 and 326,419.60 is: 489,209.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,005.20 : 804,816.60 = 326,419.60 : x
  2. Step 2: Convert to fraction form
    537,005.20/804,816.60 = 326,419.60/x
  3. Step 3: Cross multiply
    537,005.20x = 804,816.60 × 326,419.60
  4. Step 4: Simplify right side
    537,005.20x = 262,707,912,645.36
  5. Step 5: Solve for x
    x = 262,707,912,645.36/537,005.20
  6. Step 6: Final answer
    x = 489,209.25

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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.