Home / 694,246.14-1,041,445.76-220,820.78

Finding the Fourth Proportional to 694,246.14, 1,041,445.76 and 220,820.78

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Solution

The fourth proportional to 694,246.14, 1,041,445.76 and 220,820.78 is: 331,255.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,246.14 : 1,041,445.76 = 220,820.78 : x
  2. Step 2: Convert to fraction form
    694,246.14/1,041,445.76 = 220,820.78/x
  3. Step 3: Cross multiply
    694,246.14x = 1,041,445.76 × 220,820.78
  4. Step 4: Simplify right side
    694,246.14x = 229,972,865,050.89
  5. Step 5: Solve for x
    x = 229,972,865,050.89/694,246.14
  6. Step 6: Final answer
    x = 331,255.52

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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.