Home / 813,025.60-1,219,538.40-252,116.80

Finding the Fourth Proportional to 813,025.60, 1,219,538.40 and 252,116.80

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Solution

The fourth proportional to 813,025.60, 1,219,538.40 and 252,116.80 is: 378,175.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,025.60 : 1,219,538.40 = 252,116.80 : x
  2. Step 2: Convert to fraction form
    813,025.60/1,219,538.40 = 252,116.80/x
  3. Step 3: Cross multiply
    813,025.60x = 1,219,538.40 × 252,116.80
  4. Step 4: Simplify right side
    813,025.60x = 307,466,118,885.12
  5. Step 5: Solve for x
    x = 307,466,118,885.12/813,025.60
  6. Step 6: Final answer
    x = 378,175.20

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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.