Home / 893,799.44-1,341,136.20-420,531.92

Finding the Fourth Proportional to 893,799.44, 1,341,136.20 and 420,531.92

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Solution

The fourth proportional to 893,799.44, 1,341,136.20 and 420,531.92 is: 631,003.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,799.44 : 1,341,136.20 = 420,531.92 : x
  2. Step 2: Convert to fraction form
    893,799.44/1,341,136.20 = 420,531.92/x
  3. Step 3: Cross multiply
    893,799.44x = 1,341,136.20 × 420,531.92
  4. Step 4: Simplify right side
    893,799.44x = 563,990,581,167.50
  5. Step 5: Solve for x
    x = 563,990,581,167.50/893,799.44
  6. Step 6: Final answer
    x = 631,003.51

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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.