Home / 871,632.58-1,304,636.54-450,328.90

Finding the Fourth Proportional to 871,632.58, 1,304,636.54 and 450,328.90

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Solution

The fourth proportional to 871,632.58, 1,304,636.54 and 450,328.90 is: 674,040.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,632.58 : 1,304,636.54 = 450,328.90 : x
  2. Step 2: Convert to fraction form
    871,632.58/1,304,636.54 = 450,328.90/x
  3. Step 3: Cross multiply
    871,632.58x = 1,304,636.54 × 450,328.90
  4. Step 4: Simplify right side
    871,632.58x = 587,515,537,958.01
  5. Step 5: Solve for x
    x = 587,515,537,958.01/871,632.58
  6. Step 6: Final answer
    x = 674,040.36

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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.