Home / 764,822.42-1,055,455.82-425,283.38

Finding the Fourth Proportional to 764,822.42, 1,055,455.82 and 425,283.38

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Solution

The fourth proportional to 764,822.42, 1,055,455.82 and 425,283.38 is: 586,891.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,822.42 : 1,055,455.82 = 425,283.38 : x
  2. Step 2: Convert to fraction form
    764,822.42/1,055,455.82 = 425,283.38/x
  3. Step 3: Cross multiply
    764,822.42x = 1,055,455.82 × 425,283.38
  4. Step 4: Simplify right side
    764,822.42x = 448,867,811,166.58
  5. Step 5: Solve for x
    x = 448,867,811,166.58/764,822.42
  6. Step 6: Final answer
    x = 586,891.55

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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.