Home / 853,258.20-1,279,541.70-292,003.80

Finding the Fourth Proportional to 853,258.20, 1,279,541.70 and 292,003.80

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Solution

The fourth proportional to 853,258.20, 1,279,541.70 and 292,003.80 is: 437,887.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,258.20 : 1,279,541.70 = 292,003.80 : x
  2. Step 2: Convert to fraction form
    853,258.20/1,279,541.70 = 292,003.80/x
  3. Step 3: Cross multiply
    853,258.20x = 1,279,541.70 × 292,003.80
  4. Step 4: Simplify right side
    853,258.20x = 373,631,038,658.46
  5. Step 5: Solve for x
    x = 373,631,038,658.46/853,258.20
  6. Step 6: Final answer
    x = 437,887.43

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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.