Home / 758,612.96-1,137,527.40-278,718.20

Finding the Fourth Proportional to 758,612.96, 1,137,527.40 and 278,718.20

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Solution

The fourth proportional to 758,612.96, 1,137,527.40 and 278,718.20 is: 417,933.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,612.96 : 1,137,527.40 = 278,718.20 : x
  2. Step 2: Convert to fraction form
    758,612.96/1,137,527.40 = 278,718.20/x
  3. Step 3: Cross multiply
    758,612.96x = 1,137,527.40 × 278,718.20
  4. Step 4: Simplify right side
    758,612.96x = 317,049,589,378.68
  5. Step 5: Solve for x
    x = 317,049,589,378.68/758,612.96
  6. Step 6: Final answer
    x = 417,933.26

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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.