Home / 718,074.48-1,077,139.06-268,748.04

Finding the Fourth Proportional to 718,074.48, 1,077,139.06 and 268,748.04

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Solution

The fourth proportional to 718,074.48, 1,077,139.06 and 268,748.04 is: 403,132.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,074.48 : 1,077,139.06 = 268,748.04 : x
  2. Step 2: Convert to fraction form
    718,074.48/1,077,139.06 = 268,748.04/x
  3. Step 3: Cross multiply
    718,074.48x = 1,077,139.06 × 268,748.04
  4. Step 4: Simplify right side
    718,074.48x = 289,479,010,510.57
  5. Step 5: Solve for x
    x = 289,479,010,510.57/718,074.48
  6. Step 6: Final answer
    x = 403,132.29

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1.5x scale

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.