Home / 840,452.22-1,159,878.84-477,909.84

Finding the Fourth Proportional to 840,452.22, 1,159,878.84 and 477,909.84

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Solution

The fourth proportional to 840,452.22, 1,159,878.84 and 477,909.84 is: 659,546.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,452.22 : 1,159,878.84 = 477,909.84 : x
  2. Step 2: Convert to fraction form
    840,452.22/1,159,878.84 = 477,909.84/x
  3. Step 3: Cross multiply
    840,452.22x = 1,159,878.84 × 477,909.84
  4. Step 4: Simplify right side
    840,452.22x = 554,317,510,843.79
  5. Step 5: Solve for x
    x = 554,317,510,843.79/840,452.22
  6. Step 6: Final answer
    x = 659,546.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.