Home / 800,119.20-1,104,312.24-513,996.96

Finding the Fourth Proportional to 800,119.20, 1,104,312.24 and 513,996.96

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Solution

The fourth proportional to 800,119.20, 1,104,312.24 and 513,996.96 is: 709,410.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,119.20 : 1,104,312.24 = 513,996.96 : x
  2. Step 2: Convert to fraction form
    800,119.20/1,104,312.24 = 513,996.96/x
  3. Step 3: Cross multiply
    800,119.20x = 1,104,312.24 × 513,996.96
  4. Step 4: Simplify right side
    800,119.20x = 567,613,134,250.79
  5. Step 5: Solve for x
    x = 567,613,134,250.79/800,119.20
  6. Step 6: Final answer
    x = 709,410.72

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.