Home / 853,145.12-1,279,951.47-373,285.94

Finding the Fourth Proportional to 853,145.12, 1,279,951.47 and 373,285.94

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Solution

The fourth proportional to 853,145.12, 1,279,951.47 and 373,285.94 is: 560,031.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,145.12 : 1,279,951.47 = 373,285.94 : x
  2. Step 2: Convert to fraction form
    853,145.12/1,279,951.47 = 373,285.94/x
  3. Step 3: Cross multiply
    853,145.12x = 1,279,951.47 × 373,285.94
  4. Step 4: Simplify right side
    853,145.12x = 477,787,881,233.57
  5. Step 5: Solve for x
    x = 477,787,881,233.57/853,145.12
  6. Step 6: Final answer
    x = 560,031.20

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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.