Home / 764,815.24-1,055,401.68-425,276.20

Finding the Fourth Proportional to 764,815.24, 1,055,401.68 and 425,276.20

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Solution

The fourth proportional to 764,815.24, 1,055,401.68 and 425,276.20 is: 586,857.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,815.24 : 1,055,401.68 = 425,276.20 : x
  2. Step 2: Convert to fraction form
    764,815.24/1,055,401.68 = 425,276.20/x
  3. Step 3: Cross multiply
    764,815.24x = 1,055,401.68 × 425,276.20
  4. Step 4: Simplify right side
    764,815.24x = 448,837,215,944.02
  5. Step 5: Solve for x
    x = 448,837,215,944.02/764,815.24
  6. Step 6: Final answer
    x = 586,857.05

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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.