Home / 744,967.62-1,028,163.69-418,317.30

Finding the Fourth Proportional to 744,967.62, 1,028,163.69 and 418,317.30

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Solution

The fourth proportional to 744,967.62, 1,028,163.69 and 418,317.30 is: 577,338.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,967.62 : 1,028,163.69 = 418,317.30 : x
  2. Step 2: Convert to fraction form
    744,967.62/1,028,163.69 = 418,317.30/x
  3. Step 3: Cross multiply
    744,967.62x = 1,028,163.69 × 418,317.30
  4. Step 4: Simplify right side
    744,967.62x = 430,098,658,758.84
  5. Step 5: Solve for x
    x = 430,098,658,758.84/744,967.62
  6. Step 6: Final answer
    x = 577,338.73

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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.