Home / 785,813.22-1,179,544.38-696,427.80

Finding the Fourth Proportional to 785,813.22, 1,179,544.38 and 696,427.80

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Solution

The fourth proportional to 785,813.22, 1,179,544.38 and 696,427.80 is: 1,045,372.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,813.22 : 1,179,544.38 = 696,427.80 : x
  2. Step 2: Convert to fraction form
    785,813.22/1,179,544.38 = 696,427.80/x
  3. Step 3: Cross multiply
    785,813.22x = 1,179,544.38 × 696,427.80
  4. Step 4: Simplify right side
    785,813.22x = 821,467,497,565.76
  5. Step 5: Solve for x
    x = 821,467,497,565.76/785,813.22
  6. Step 6: Final answer
    x = 1,045,372.46

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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.