Home / 669,879.11-1,003,648.61-558,276.50

Finding the Fourth Proportional to 669,879.11, 1,003,648.61 and 558,276.50

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Solution

The fourth proportional to 669,879.11, 1,003,648.61 and 558,276.50 is: 836,439.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,879.11 : 1,003,648.61 = 558,276.50 : x
  2. Step 2: Convert to fraction form
    669,879.11/1,003,648.61 = 558,276.50/x
  3. Step 3: Cross multiply
    669,879.11x = 1,003,648.61 × 558,276.50
  4. Step 4: Simplify right side
    669,879.11x = 560,313,433,220.67
  5. Step 5: Solve for x
    x = 560,313,433,220.67/669,879.11
  6. Step 6: Final answer
    x = 836,439.63

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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.