Home / 537,008.20-804,821.10-326,422.60

Finding the Fourth Proportional to 537,008.20, 804,821.10 and 326,422.60

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Solution

The fourth proportional to 537,008.20, 804,821.10 and 326,422.60 is: 489,213.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,008.20 : 804,821.10 = 326,422.60 : x
  2. Step 2: Convert to fraction form
    537,008.20/804,821.10 = 326,422.60/x
  3. Step 3: Cross multiply
    537,008.20x = 804,821.10 × 326,422.60
  4. Step 4: Simplify right side
    537,008.20x = 262,711,795,996.86
  5. Step 5: Solve for x
    x = 262,711,795,996.86/537,008.20
  6. Step 6: Final answer
    x = 489,213.75

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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.