Home / 951,928.74-1,428,266.97-419,075.91

Finding the Fourth Proportional to 951,928.74, 1,428,266.97 and 419,075.91

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Solution

The fourth proportional to 951,928.74, 1,428,266.97 and 419,075.91 is: 628,778.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,928.74 : 1,428,266.97 = 419,075.91 : x
  2. Step 2: Convert to fraction form
    951,928.74/1,428,266.97 = 419,075.91/x
  3. Step 3: Cross multiply
    951,928.74x = 1,428,266.97 × 419,075.91
  4. Step 4: Simplify right side
    951,928.74x = 598,552,280,175.69
  5. Step 5: Solve for x
    x = 598,552,280,175.69/951,928.74
  6. Step 6: Final answer
    x = 628,778.45

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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.