Home / 764,850.24-1,055,449.80-425,311.20

Finding the Fourth Proportional to 764,850.24, 1,055,449.80 and 425,311.20

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Solution

The fourth proportional to 764,850.24, 1,055,449.80 and 425,311.20 is: 586,905.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,850.24 : 1,055,449.80 = 425,311.20 : x
  2. Step 2: Convert to fraction form
    764,850.24/1,055,449.80 = 425,311.20/x
  3. Step 3: Cross multiply
    764,850.24x = 1,055,449.80 × 425,311.20
  4. Step 4: Simplify right side
    764,850.24x = 448,894,620,977.76
  5. Step 5: Solve for x
    x = 448,894,620,977.76/764,850.24
  6. Step 6: Final answer
    x = 586,905.25

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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.