Home / 800,068.16-1,200,103.45-326,753.52

Finding the Fourth Proportional to 800,068.16, 1,200,103.45 and 326,753.52

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Solution

The fourth proportional to 800,068.16, 1,200,103.45 and 326,753.52 is: 490,130.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,068.16 : 1,200,103.45 = 326,753.52 : x
  2. Step 2: Convert to fraction form
    800,068.16/1,200,103.45 = 326,753.52/x
  3. Step 3: Cross multiply
    800,068.16x = 1,200,103.45 × 326,753.52
  4. Step 4: Simplify right side
    800,068.16x = 392,138,023,122.25
  5. Step 5: Solve for x
    x = 392,138,023,122.25/800,068.16
  6. Step 6: Final answer
    x = 490,130.77

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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.