Home / 280,256.15-420,550.38-262,524.04

Finding the Fourth Proportional to 280,256.15, 420,550.38 and 262,524.04

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Solution

The fourth proportional to 280,256.15, 420,550.38 and 262,524.04 is: 393,941.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,256.15 : 420,550.38 = 262,524.04 : x
  2. Step 2: Convert to fraction form
    280,256.15/420,550.38 = 262,524.04/x
  3. Step 3: Cross multiply
    280,256.15x = 420,550.38 × 262,524.04
  4. Step 4: Simplify right side
    280,256.15x = 110,404,584,781.14
  5. Step 5: Solve for x
    x = 110,404,584,781.14/280,256.15
  6. Step 6: Final answer
    x = 393,941.70

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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.