Home / 780,488.12-1,170,483.03-247,884.57

Finding the Fourth Proportional to 780,488.12, 1,170,483.03 and 247,884.57

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Solution

The fourth proportional to 780,488.12, 1,170,483.03 and 247,884.57 is: 371,747.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,488.12 : 1,170,483.03 = 247,884.57 : x
  2. Step 2: Convert to fraction form
    780,488.12/1,170,483.03 = 247,884.57/x
  3. Step 3: Cross multiply
    780,488.12x = 1,170,483.03 × 247,884.57
  4. Step 4: Simplify right side
    780,488.12x = 290,144,682,583.85
  5. Step 5: Solve for x
    x = 290,144,682,583.85/780,488.12
  6. Step 6: Final answer
    x = 371,747.72

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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.