Home / 465,325.03-698,578.15-395,647.21

Finding the Fourth Proportional to 465,325.03, 698,578.15 and 395,647.21

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Solution

The fourth proportional to 465,325.03, 698,578.15 and 395,647.21 is: 593,972.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,325.03 : 698,578.15 = 395,647.21 : x
  2. Step 2: Convert to fraction form
    465,325.03/698,578.15 = 395,647.21/x
  3. Step 3: Cross multiply
    465,325.03x = 698,578.15 × 395,647.21
  4. Step 4: Simplify right side
    465,325.03x = 276,390,493,562.90
  5. Step 5: Solve for x
    x = 276,390,493,562.90/465,325.03
  6. Step 6: Final answer
    x = 593,972.98

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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.