Home / 953,765.22-1,430,869.41-279,819.30

Finding the Fourth Proportional to 953,765.22, 1,430,869.41 and 279,819.30

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Solution

The fourth proportional to 953,765.22, 1,430,869.41 and 279,819.30 is: 419,793.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,765.22 : 1,430,869.41 = 279,819.30 : x
  2. Step 2: Convert to fraction form
    953,765.22/1,430,869.41 = 279,819.30/x
  3. Step 3: Cross multiply
    953,765.22x = 1,430,869.41 × 279,819.30
  4. Step 4: Simplify right side
    953,765.22x = 400,384,876,697.61
  5. Step 5: Solve for x
    x = 400,384,876,697.61/953,765.22
  6. Step 6: Final answer
    x = 419,793.96

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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.