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Finding the Fourth Proportional to 566,298.48, 781,451.64 and 336,843.12

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Solution

The fourth proportional to 566,298.48, 781,451.64 and 336,843.12 is: 464,819.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,298.48 : 781,451.64 = 336,843.12 : x
  2. Step 2: Convert to fraction form
    566,298.48/781,451.64 = 336,843.12/x
  3. Step 3: Cross multiply
    566,298.48x = 781,451.64 × 336,843.12
  4. Step 4: Simplify right side
    566,298.48x = 263,226,608,546.72
  5. Step 5: Solve for x
    x = 263,226,608,546.72/566,298.48
  6. Step 6: Final answer
    x = 464,819.56

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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.