Home / 724,473.18-1,086,288.30-484,860.60

Finding the Fourth Proportional to 724,473.18, 1,086,288.30 and 484,860.60

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Solution

The fourth proportional to 724,473.18, 1,086,288.30 and 484,860.60 is: 727,008.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,473.18 : 1,086,288.30 = 484,860.60 : x
  2. Step 2: Convert to fraction form
    724,473.18/1,086,288.30 = 484,860.60/x
  3. Step 3: Cross multiply
    724,473.18x = 1,086,288.30 × 484,860.60
  4. Step 4: Simplify right side
    724,473.18x = 526,698,396,910.98
  5. Step 5: Solve for x
    x = 526,698,396,910.98/724,473.18
  6. Step 6: Final answer
    x = 727,008.83

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1.5x scale

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.