Home / 764,727.12-1,055,205.18-442,467.30

Finding the Fourth Proportional to 764,727.12, 1,055,205.18 and 442,467.30

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Solution

The fourth proportional to 764,727.12, 1,055,205.18 and 442,467.30 is: 610,536.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,727.12 : 1,055,205.18 = 442,467.30 : x
  2. Step 2: Convert to fraction form
    764,727.12/1,055,205.18 = 442,467.30/x
  3. Step 3: Cross multiply
    764,727.12x = 1,055,205.18 × 442,467.30
  4. Step 4: Simplify right side
    764,727.12x = 466,893,786,940.61
  5. Step 5: Solve for x
    x = 466,893,786,940.61/764,727.12
  6. Step 6: Final answer
    x = 610,536.46

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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.