Home / 831,913.94-1,247,870.91-270,948.44

Finding the Fourth Proportional to 831,913.94, 1,247,870.91 and 270,948.44

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Solution

The fourth proportional to 831,913.94, 1,247,870.91 and 270,948.44 is: 406,422.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,913.94 : 1,247,870.91 = 270,948.44 : x
  2. Step 2: Convert to fraction form
    831,913.94/1,247,870.91 = 270,948.44/x
  3. Step 3: Cross multiply
    831,913.94x = 1,247,870.91 × 270,948.44
  4. Step 4: Simplify right side
    831,913.94x = 338,108,670,146.53
  5. Step 5: Solve for x
    x = 338,108,670,146.53/831,913.94
  6. Step 6: Final answer
    x = 406,422.65

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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.