Home / 783,932.60-1,176,287.70-447,231.80

Finding the Fourth Proportional to 783,932.60, 1,176,287.70 and 447,231.80

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Solution

The fourth proportional to 783,932.60, 1,176,287.70 and 447,231.80 is: 671,069.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,932.60 : 1,176,287.70 = 447,231.80 : x
  2. Step 2: Convert to fraction form
    783,932.60/1,176,287.70 = 447,231.80/x
  3. Step 3: Cross multiply
    783,932.60x = 1,176,287.70 × 447,231.80
  4. Step 4: Simplify right side
    783,932.60x = 526,073,265,388.86
  5. Step 5: Solve for x
    x = 526,073,265,388.86/783,932.60
  6. Step 6: Final answer
    x = 671,069.51

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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.