Home / 511,940.24-706,618.05-297,149.50

Finding the Fourth Proportional to 511,940.24, 706,618.05 and 297,149.50

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Solution

The fourth proportional to 511,940.24, 706,618.05 and 297,149.50 is: 410,147.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,940.24 : 706,618.05 = 297,149.50 : x
  2. Step 2: Convert to fraction form
    511,940.24/706,618.05 = 297,149.50/x
  3. Step 3: Cross multiply
    511,940.24x = 706,618.05 × 297,149.50
  4. Step 4: Simplify right side
    511,940.24x = 209,971,202,004.80
  5. Step 5: Solve for x
    x = 209,971,202,004.80/511,940.24
  6. Step 6: Final answer
    x = 410,147.87

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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.