Home / 746,909.60-1,120,364.40-273,642.80

Finding the Fourth Proportional to 746,909.60, 1,120,364.40 and 273,642.80

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Solution

The fourth proportional to 746,909.60, 1,120,364.40 and 273,642.80 is: 410,464.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,909.60 : 1,120,364.40 = 273,642.80 : x
  2. Step 2: Convert to fraction form
    746,909.60/1,120,364.40 = 273,642.80/x
  3. Step 3: Cross multiply
    746,909.60x = 1,120,364.40 × 273,642.80
  4. Step 4: Simplify right side
    746,909.60x = 306,579,651,436.32
  5. Step 5: Solve for x
    x = 306,579,651,436.32/746,909.60
  6. Step 6: Final answer
    x = 410,464.20

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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.