Home / 716,806.87-1,074,607.66-479,425.03

Finding the Fourth Proportional to 716,806.87, 1,074,607.66 and 479,425.03

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Solution

The fourth proportional to 716,806.87, 1,074,607.66 and 479,425.03 is: 718,734.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,806.87 : 1,074,607.66 = 479,425.03 : x
  2. Step 2: Convert to fraction form
    716,806.87/1,074,607.66 = 479,425.03/x
  3. Step 3: Cross multiply
    716,806.87x = 1,074,607.66 × 479,425.03
  4. Step 4: Simplify right side
    716,806.87x = 515,193,807,546.49
  5. Step 5: Solve for x
    x = 515,193,807,546.49/716,806.87
  6. Step 6: Final answer
    x = 718,734.47

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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.