Home / 853,294.20-1,279,595.70-292,039.80

Finding the Fourth Proportional to 853,294.20, 1,279,595.70 and 292,039.80

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Solution

The fourth proportional to 853,294.20, 1,279,595.70 and 292,039.80 is: 437,941.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,294.20 : 1,279,595.70 = 292,039.80 : x
  2. Step 2: Convert to fraction form
    853,294.20/1,279,595.70 = 292,039.80/x
  3. Step 3: Cross multiply
    853,294.20x = 1,279,595.70 × 292,039.80
  4. Step 4: Simplify right side
    853,294.20x = 373,692,872,308.86
  5. Step 5: Solve for x
    x = 373,692,872,308.86/853,294.20
  6. Step 6: Final answer
    x = 437,941.42

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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.