Home / 764,624.50-1,055,183.07-425,092.75

Finding the Fourth Proportional to 764,624.50, 1,055,183.07 and 425,092.75

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Solution

The fourth proportional to 764,624.50, 1,055,183.07 and 425,092.75 is: 586,628.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,624.50 : 1,055,183.07 = 425,092.75 : x
  2. Step 2: Convert to fraction form
    764,624.50/1,055,183.07 = 425,092.75/x
  3. Step 3: Cross multiply
    764,624.50x = 1,055,183.07 × 425,092.75
  4. Step 4: Simplify right side
    764,624.50x = 448,550,672,979.74
  5. Step 5: Solve for x
    x = 448,550,672,979.74/764,624.50
  6. Step 6: Final answer
    x = 586,628.70

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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.