Home / 854,441.55-1,280,541.17-628,745.18

Finding the Fourth Proportional to 854,441.55, 1,280,541.17 and 628,745.18

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Solution

The fourth proportional to 854,441.55, 1,280,541.17 and 628,745.18 is: 942,292.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,441.55 : 1,280,541.17 = 628,745.18 : x
  2. Step 2: Convert to fraction form
    854,441.55/1,280,541.17 = 628,745.18/x
  3. Step 3: Cross multiply
    854,441.55x = 1,280,541.17 × 628,745.18
  4. Step 4: Simplify right side
    854,441.55x = 805,134,083,598.22
  5. Step 5: Solve for x
    x = 805,134,083,598.22/854,441.55
  6. Step 6: Final answer
    x = 942,292.76

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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.