Home / 764,710.20-1,055,296.62-425,158.20

Finding the Fourth Proportional to 764,710.20, 1,055,296.62 and 425,158.20

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Solution

The fourth proportional to 764,710.20, 1,055,296.62 and 425,158.20 is: 586,716.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,710.20 : 1,055,296.62 = 425,158.20 : x
  2. Step 2: Convert to fraction form
    764,710.20/1,055,296.62 = 425,158.20/x
  3. Step 3: Cross multiply
    764,710.20x = 1,055,296.62 × 425,158.20
  4. Step 4: Simplify right side
    764,710.20x = 448,668,011,425.28
  5. Step 5: Solve for x
    x = 448,668,011,425.28/764,710.20
  6. Step 6: Final answer
    x = 586,716.39

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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.