Home / 764,462.22-1,054,959.97-420,333.33

Finding the Fourth Proportional to 764,462.22, 1,054,959.97 and 420,333.33

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Solution

The fourth proportional to 764,462.22, 1,054,959.97 and 420,333.33 is: 580,061.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,462.22 : 1,054,959.97 = 420,333.33 : x
  2. Step 2: Convert to fraction form
    764,462.22/1,054,959.97 = 420,333.33/x
  3. Step 3: Cross multiply
    764,462.22x = 1,054,959.97 × 420,333.33
  4. Step 4: Simplify right side
    764,462.22x = 443,434,837,206.80
  5. Step 5: Solve for x
    x = 443,434,837,206.80/764,462.22
  6. Step 6: Final answer
    x = 580,061.15

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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.