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Finding the Fourth Proportional to 492,596.60, 738,902.16 and 325,189.04

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Solution

The fourth proportional to 492,596.60, 738,902.16 and 325,189.04 is: 487,788.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,596.60 : 738,902.16 = 325,189.04 : x
  2. Step 2: Convert to fraction form
    492,596.60/738,902.16 = 325,189.04/x
  3. Step 3: Cross multiply
    492,596.60x = 738,902.16 × 325,189.04
  4. Step 4: Simplify right side
    492,596.60x = 240,282,884,064.33
  5. Step 5: Solve for x
    x = 240,282,884,064.33/492,596.60
  6. Step 6: Final answer
    x = 487,788.35

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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.