Home / 934,649.28-1,288,969.20-612,241.74

Finding the Fourth Proportional to 934,649.28, 1,288,969.20 and 612,241.74

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Solution

The fourth proportional to 934,649.28, 1,288,969.20 and 612,241.74 is: 844,338.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,649.28 : 1,288,969.20 = 612,241.74 : x
  2. Step 2: Convert to fraction form
    934,649.28/1,288,969.20 = 612,241.74/x
  3. Step 3: Cross multiply
    934,649.28x = 1,288,969.20 × 612,241.74
  4. Step 4: Simplify right side
    934,649.28x = 789,160,745,814.41
  5. Step 5: Solve for x
    x = 789,160,745,814.41/934,649.28
  6. Step 6: Final answer
    x = 844,338.90

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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.