Home / 853,270.20-1,279,559.70-292,015.80

Finding the Fourth Proportional to 853,270.20, 1,279,559.70 and 292,015.80

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Solution

The fourth proportional to 853,270.20, 1,279,559.70 and 292,015.80 is: 437,905.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,270.20 : 1,279,559.70 = 292,015.80 : x
  2. Step 2: Convert to fraction form
    853,270.20/1,279,559.70 = 292,015.80/x
  3. Step 3: Cross multiply
    853,270.20x = 1,279,559.70 × 292,015.80
  4. Step 4: Simplify right side
    853,270.20x = 373,651,649,443.26
  5. Step 5: Solve for x
    x = 373,651,649,443.26/853,270.20
  6. Step 6: Final answer
    x = 437,905.42

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1.5x scale

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.