Home / 758,452.86-1,138,011.21-359,378.46

Finding the Fourth Proportional to 758,452.86, 1,138,011.21 and 359,378.46

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Solution

The fourth proportional to 758,452.86, 1,138,011.21 and 359,378.46 is: 539,224.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,452.86 : 1,138,011.21 = 359,378.46 : x
  2. Step 2: Convert to fraction form
    758,452.86/1,138,011.21 = 359,378.46/x
  3. Step 3: Cross multiply
    758,452.86x = 1,138,011.21 × 359,378.46
  4. Step 4: Simplify right side
    758,452.86x = 408,976,716,112.54
  5. Step 5: Solve for x
    x = 408,976,716,112.54/758,452.86
  6. Step 6: Final answer
    x = 539,224.96

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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.