Home / 892,400.60-1,336,268.10-575,139.80

Finding the Fourth Proportional to 892,400.60, 1,336,268.10 and 575,139.80

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Solution

The fourth proportional to 892,400.60, 1,336,268.10 and 575,139.80 is: 861,206.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,400.60 : 1,336,268.10 = 575,139.80 : x
  2. Step 2: Convert to fraction form
    892,400.60/1,336,268.10 = 575,139.80/x
  3. Step 3: Cross multiply
    892,400.60x = 1,336,268.10 × 575,139.80
  4. Step 4: Simplify right side
    892,400.60x = 768,540,967,780.38
  5. Step 5: Solve for x
    x = 768,540,967,780.38/892,400.60
  6. Step 6: Final answer
    x = 861,206.24

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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.