Home / 764,614.08-1,055,047.68-442,298.88

Finding the Fourth Proportional to 764,614.08, 1,055,047.68 and 442,298.88

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Solution

The fourth proportional to 764,614.08, 1,055,047.68 and 442,298.88 is: 610,303.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,614.08 : 1,055,047.68 = 442,298.88 : x
  2. Step 2: Convert to fraction form
    764,614.08/1,055,047.68 = 442,298.88/x
  3. Step 3: Cross multiply
    764,614.08x = 1,055,047.68 × 442,298.88
  4. Step 4: Simplify right side
    764,614.08x = 466,646,407,210.60
  5. Step 5: Solve for x
    x = 466,646,407,210.60/764,614.08
  6. Step 6: Final answer
    x = 610,303.18

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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.