Home / 461,556.80-636,948.69-254,825.36

Finding the Fourth Proportional to 461,556.80, 636,948.69 and 254,825.36

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Solution

The fourth proportional to 461,556.80, 636,948.69 and 254,825.36 is: 351,659.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,556.80 : 636,948.69 = 254,825.36 : x
  2. Step 2: Convert to fraction form
    461,556.80/636,948.69 = 254,825.36/x
  3. Step 3: Cross multiply
    461,556.80x = 636,948.69 × 254,825.36
  4. Step 4: Simplify right side
    461,556.80x = 162,310,679,230.78
  5. Step 5: Solve for x
    x = 162,310,679,230.78/461,556.80
  6. Step 6: Final answer
    x = 351,659.17

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1.5x scale

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.