Home / 746,722.81-1,120,081.87-185,757.31

Finding the Fourth Proportional to 746,722.81, 1,120,081.87 and 185,757.31

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Solution

The fourth proportional to 746,722.81, 1,120,081.87 and 185,757.31 is: 278,635.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,722.81 : 1,120,081.87 = 185,757.31 : x
  2. Step 2: Convert to fraction form
    746,722.81/1,120,081.87 = 185,757.31/x
  3. Step 3: Cross multiply
    746,722.81x = 1,120,081.87 × 185,757.31
  4. Step 4: Simplify right side
    746,722.81x = 208,063,392,582.96
  5. Step 5: Solve for x
    x = 208,063,392,582.96/746,722.81
  6. Step 6: Final answer
    x = 278,635.38

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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.