Home / 743,996.20-1,026,723.38-412,858.92

Finding the Fourth Proportional to 743,996.20, 1,026,723.38 and 412,858.92

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Solution

The fourth proportional to 743,996.20, 1,026,723.38 and 412,858.92 is: 569,750.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,996.20 : 1,026,723.38 = 412,858.92 : x
  2. Step 2: Convert to fraction form
    743,996.20/1,026,723.38 = 412,858.92/x
  3. Step 3: Cross multiply
    743,996.20x = 1,026,723.38 × 412,858.92
  4. Step 4: Simplify right side
    743,996.20x = 423,891,905,805.55
  5. Step 5: Solve for x
    x = 423,891,905,805.55/743,996.20
  6. Step 6: Final answer
    x = 569,750.10

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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.