Home / 764,942.06-1,055,677.46-459,031.79

Finding the Fourth Proportional to 764,942.06, 1,055,677.46 and 459,031.79

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Solution

The fourth proportional to 764,942.06, 1,055,677.46 and 459,031.79 is: 633,498.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,942.06 : 1,055,677.46 = 459,031.79 : x
  2. Step 2: Convert to fraction form
    764,942.06/1,055,677.46 = 459,031.79/x
  3. Step 3: Cross multiply
    764,942.06x = 1,055,677.46 × 459,031.79
  4. Step 4: Simplify right side
    764,942.06x = 484,589,506,552.91
  5. Step 5: Solve for x
    x = 484,589,506,552.91/764,942.06
  6. Step 6: Final answer
    x = 633,498.32

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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.