Home / 753,222.16-1,039,012.68-451,241.20

Finding the Fourth Proportional to 753,222.16, 1,039,012.68 and 451,241.20

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Solution

The fourth proportional to 753,222.16, 1,039,012.68 and 451,241.20 is: 622,452.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,222.16 : 1,039,012.68 = 451,241.20 : x
  2. Step 2: Convert to fraction form
    753,222.16/1,039,012.68 = 451,241.20/x
  3. Step 3: Cross multiply
    753,222.16x = 1,039,012.68 × 451,241.20
  4. Step 4: Simplify right side
    753,222.16x = 468,845,328,538.42
  5. Step 5: Solve for x
    x = 468,845,328,538.42/753,222.16
  6. Step 6: Final answer
    x = 622,452.91

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1.5x scale

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.