Home / 764,575.91-1,055,275.29-484,992.26

Finding the Fourth Proportional to 764,575.91, 1,055,275.29 and 484,992.26

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Solution

The fourth proportional to 764,575.91, 1,055,275.29 and 484,992.26 is: 669,391.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,575.91 : 1,055,275.29 = 484,992.26 : x
  2. Step 2: Convert to fraction form
    764,575.91/1,055,275.29 = 484,992.26/x
  3. Step 3: Cross multiply
    764,575.91x = 1,055,275.29 × 484,992.26
  4. Step 4: Simplify right side
    764,575.91x = 511,800,347,819.26
  5. Step 5: Solve for x
    x = 511,800,347,819.26/764,575.91
  6. Step 6: Final answer
    x = 669,391.15

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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.