Home / 764,814.24-1,055,400.30-425,275.20

Finding the Fourth Proportional to 764,814.24, 1,055,400.30 and 425,275.20

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Solution

The fourth proportional to 764,814.24, 1,055,400.30 and 425,275.20 is: 586,855.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,814.24 : 1,055,400.30 = 425,275.20 : x
  2. Step 2: Convert to fraction form
    764,814.24/1,055,400.30 = 425,275.20/x
  3. Step 3: Cross multiply
    764,814.24x = 1,055,400.30 × 425,275.20
  4. Step 4: Simplify right side
    764,814.24x = 448,835,573,662.56
  5. Step 5: Solve for x
    x = 448,835,573,662.56/764,814.24
  6. Step 6: Final answer
    x = 586,855.67

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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.