Home / 854,564.88-1,280,726.04-628,868.88

Finding the Fourth Proportional to 854,564.88, 1,280,726.04 and 628,868.88

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Solution

The fourth proportional to 854,564.88, 1,280,726.04 and 628,868.88 is: 942,478.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,564.88 : 1,280,726.04 = 628,868.88 : x
  2. Step 2: Convert to fraction form
    854,564.88/1,280,726.04 = 628,868.88/x
  3. Step 3: Cross multiply
    854,564.88x = 1,280,726.04 × 628,868.88
  4. Step 4: Simplify right side
    854,564.88x = 805,408,750,361.64
  5. Step 5: Solve for x
    x = 805,408,750,361.64/854,564.88
  6. Step 6: Final answer
    x = 942,478.18

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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.