Home / 764,777.82-1,055,400.15-425,260.38

Finding the Fourth Proportional to 764,777.82, 1,055,400.15 and 425,260.38

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Solution

The fourth proportional to 764,777.82, 1,055,400.15 and 425,260.38 is: 586,863.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,777.82 : 1,055,400.15 = 425,260.38 : x
  2. Step 2: Convert to fraction form
    764,777.82/1,055,400.15 = 425,260.38/x
  3. Step 3: Cross multiply
    764,777.82x = 1,055,400.15 × 425,260.38
  4. Step 4: Simplify right side
    764,777.82x = 448,819,868,841.06
  5. Step 5: Solve for x
    x = 448,819,868,841.06/764,777.82
  6. Step 6: Final answer
    x = 586,863.08

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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.