Home / 764,620.50-1,055,177.55-425,088.75

Finding the Fourth Proportional to 764,620.50, 1,055,177.55 and 425,088.75

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Solution

The fourth proportional to 764,620.50, 1,055,177.55 and 425,088.75 is: 586,623.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,620.50 : 1,055,177.55 = 425,088.75 : x
  2. Step 2: Convert to fraction form
    764,620.50/1,055,177.55 = 425,088.75/x
  3. Step 3: Cross multiply
    764,620.50x = 1,055,177.55 × 425,088.75
  4. Step 4: Simplify right side
    764,620.50x = 448,544,105,757.56
  5. Step 5: Solve for x
    x = 448,544,105,757.56/764,620.50
  6. Step 6: Final answer
    x = 586,623.18

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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.