Home / 461,324.12-636,643.04-267,716.90

Finding the Fourth Proportional to 461,324.12, 636,643.04 and 267,716.90

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Solution

The fourth proportional to 461,324.12, 636,643.04 and 267,716.90 is: 369,458.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,324.12 : 636,643.04 = 267,716.90 : x
  2. Step 2: Convert to fraction form
    461,324.12/636,643.04 = 267,716.90/x
  3. Step 3: Cross multiply
    461,324.12x = 636,643.04 × 267,716.90
  4. Step 4: Simplify right side
    461,324.12x = 170,440,101,075.38
  5. Step 5: Solve for x
    x = 170,440,101,075.38/461,324.12
  6. Step 6: Final answer
    x = 369,458.46

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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.