Home / 628,343.96-867,136.27-341,874.91

Finding the Fourth Proportional to 628,343.96, 867,136.27 and 341,874.91

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Solution

The fourth proportional to 628,343.96, 867,136.27 and 341,874.91 is: 471,799.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,343.96 : 867,136.27 = 341,874.91 : x
  2. Step 2: Convert to fraction form
    628,343.96/867,136.27 = 341,874.91/x
  3. Step 3: Cross multiply
    628,343.96x = 867,136.27 × 341,874.91
  4. Step 4: Simplify right side
    628,343.96x = 296,452,129,928.30
  5. Step 5: Solve for x
    x = 296,452,129,928.30/628,343.96
  6. Step 6: Final answer
    x = 471,799.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.