Home / 831,559.78-1,247,328.73-200,468.53

Finding the Fourth Proportional to 831,559.78, 1,247,328.73 and 200,468.53

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Solution

The fourth proportional to 831,559.78, 1,247,328.73 and 200,468.53 is: 300,700.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,559.78 : 1,247,328.73 = 200,468.53 : x
  2. Step 2: Convert to fraction form
    831,559.78/1,247,328.73 = 200,468.53/x
  3. Step 3: Cross multiply
    831,559.78x = 1,247,328.73 × 200,468.53
  4. Step 4: Simplify right side
    831,559.78x = 250,050,156,929.87
  5. Step 5: Solve for x
    x = 250,050,156,929.87/831,559.78
  6. Step 6: Final answer
    x = 300,700.16

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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.