Home / 829,975.60-1,245,546.60-531,182.80

Finding the Fourth Proportional to 829,975.60, 1,245,546.60 and 531,182.80

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Solution

The fourth proportional to 829,975.60, 1,245,546.60 and 531,182.80 is: 797,147.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,975.60 : 1,245,546.60 = 531,182.80 : x
  2. Step 2: Convert to fraction form
    829,975.60/1,245,546.60 = 531,182.80/x
  3. Step 3: Cross multiply
    829,975.60x = 1,245,546.60 × 531,182.80
  4. Step 4: Simplify right side
    829,975.60x = 661,612,930,518.48
  5. Step 5: Solve for x
    x = 661,612,930,518.48/829,975.60
  6. Step 6: Final answer
    x = 797,147.45

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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.