Home / 696,616.54-1,045,028.70-247,299.78

Finding the Fourth Proportional to 696,616.54, 1,045,028.70 and 247,299.78

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Solution

The fourth proportional to 696,616.54, 1,045,028.70 and 247,299.78 is: 370,986.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,616.54 : 1,045,028.70 = 247,299.78 : x
  2. Step 2: Convert to fraction form
    696,616.54/1,045,028.70 = 247,299.78/x
  3. Step 3: Cross multiply
    696,616.54x = 1,045,028.70 × 247,299.78
  4. Step 4: Simplify right side
    696,616.54x = 258,435,367,603.69
  5. Step 5: Solve for x
    x = 258,435,367,603.69/696,616.54
  6. Step 6: Final answer
    x = 370,986.55

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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.