Home / 871,628.58-1,304,630.55-450,324.90

Finding the Fourth Proportional to 871,628.58, 1,304,630.55 and 450,324.90

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Solution

The fourth proportional to 871,628.58, 1,304,630.55 and 450,324.90 is: 674,034.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,628.58 : 1,304,630.55 = 450,324.90 : x
  2. Step 2: Convert to fraction form
    871,628.58/1,304,630.55 = 450,324.90/x
  3. Step 3: Cross multiply
    871,628.58x = 1,304,630.55 × 450,324.90
  4. Step 4: Simplify right side
    871,628.58x = 587,507,621,965.70
  5. Step 5: Solve for x
    x = 587,507,621,965.70/871,628.58
  6. Step 6: Final answer
    x = 674,034.37

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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.