Home / 871,622.08-1,304,620.80-450,318.40

Finding the Fourth Proportional to 871,622.08, 1,304,620.80 and 450,318.40

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Solution

The fourth proportional to 871,622.08, 1,304,620.80 and 450,318.40 is: 674,024.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,622.08 : 1,304,620.80 = 450,318.40 : x
  2. Step 2: Convert to fraction form
    871,622.08/1,304,620.80 = 450,318.40/x
  3. Step 3: Cross multiply
    871,622.08x = 1,304,620.80 × 450,318.40
  4. Step 4: Simplify right side
    871,622.08x = 587,494,751,262.72
  5. Step 5: Solve for x
    x = 587,494,751,262.72/871,622.08
  6. Step 6: Final answer
    x = 674,024.63

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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.