Home / 537,155.20-804,420.60-403,310.80

Finding the Fourth Proportional to 537,155.20, 804,420.60 and 403,310.80

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Solution

The fourth proportional to 537,155.20, 804,420.60 and 403,310.80 is: 603,980.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,155.20 : 804,420.60 = 403,310.80 : x
  2. Step 2: Convert to fraction form
    537,155.20/804,420.60 = 403,310.80/x
  3. Step 3: Cross multiply
    537,155.20x = 804,420.60 × 403,310.80
  4. Step 4: Simplify right side
    537,155.20x = 324,431,515,722.48
  5. Step 5: Solve for x
    x = 324,431,515,722.48/537,155.20
  6. Step 6: Final answer
    x = 603,980.96

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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.