Home / 699,209.76-1,048,815.84-299,591.52

Finding the Fourth Proportional to 699,209.76, 1,048,815.84 and 299,591.52

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Solution

The fourth proportional to 699,209.76, 1,048,815.84 and 299,591.52 is: 449,387.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,209.76 : 1,048,815.84 = 299,591.52 : x
  2. Step 2: Convert to fraction form
    699,209.76/1,048,815.84 = 299,591.52/x
  3. Step 3: Cross multiply
    699,209.76x = 1,048,815.84 × 299,591.52
  4. Step 4: Simplify right side
    699,209.76x = 314,216,331,705.68
  5. Step 5: Solve for x
    x = 314,216,331,705.68/699,209.76
  6. Step 6: Final answer
    x = 449,387.79

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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.