Home / 718,074.98-1,077,139.81-268,748.54

Finding the Fourth Proportional to 718,074.98, 1,077,139.81 and 268,748.54

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Solution

The fourth proportional to 718,074.98, 1,077,139.81 and 268,748.54 is: 403,133.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,074.98 : 1,077,139.81 = 268,748.54 : x
  2. Step 2: Convert to fraction form
    718,074.98/1,077,139.81 = 268,748.54/x
  3. Step 3: Cross multiply
    718,074.98x = 1,077,139.81 × 268,748.54
  4. Step 4: Simplify right side
    718,074.98x = 289,479,751,313.38
  5. Step 5: Solve for x
    x = 289,479,751,313.38/718,074.98
  6. Step 6: Final answer
    x = 403,133.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.