Home / 785,838.28-1,179,581.82-696,452.80

Finding the Fourth Proportional to 785,838.28, 1,179,581.82 and 696,452.80

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Solution

The fourth proportional to 785,838.28, 1,179,581.82 and 696,452.80 is: 1,045,409.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,838.28 : 1,179,581.82 = 696,452.80 : x
  2. Step 2: Convert to fraction form
    785,838.28/1,179,581.82 = 696,452.80/x
  3. Step 3: Cross multiply
    785,838.28x = 1,179,581.82 × 696,452.80
  4. Step 4: Simplify right side
    785,838.28x = 821,523,061,368.10
  5. Step 5: Solve for x
    x = 821,523,061,368.10/785,838.28
  6. Step 6: Final answer
    x = 1,045,409.83

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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.