Home / 980,567.78-1,352,794.41-567,028.15

Finding the Fourth Proportional to 980,567.78, 1,352,794.41 and 567,028.15

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Solution

The fourth proportional to 980,567.78, 1,352,794.41 and 567,028.15 is: 782,273.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,567.78 : 1,352,794.41 = 567,028.15 : x
  2. Step 2: Convert to fraction form
    980,567.78/1,352,794.41 = 567,028.15/x
  3. Step 3: Cross multiply
    980,567.78x = 1,352,794.41 × 567,028.15
  4. Step 4: Simplify right side
    980,567.78x = 767,072,504,868.67
  5. Step 5: Solve for x
    x = 767,072,504,868.67/980,567.78
  6. Step 6: Final answer
    x = 782,273.82

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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.