Home / 700,459.20-1,050,747.12-279,505.44

Finding the Fourth Proportional to 700,459.20, 1,050,747.12 and 279,505.44

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Solution

The fourth proportional to 700,459.20, 1,050,747.12 and 279,505.44 is: 419,281.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,459.20 : 1,050,747.12 = 279,505.44 : x
  2. Step 2: Convert to fraction form
    700,459.20/1,050,747.12 = 279,505.44/x
  3. Step 3: Cross multiply
    700,459.20x = 1,050,747.12 × 279,505.44
  4. Step 4: Simplify right side
    700,459.20x = 293,689,536,104.33
  5. Step 5: Solve for x
    x = 293,689,536,104.33/700,459.20
  6. Step 6: Final answer
    x = 419,281.43

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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.