Home / 489,485.40-733,839.30-267,869.40

Finding the Fourth Proportional to 489,485.40, 733,839.30 and 267,869.40

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Solution

The fourth proportional to 489,485.40, 733,839.30 and 267,869.40 is: 401,591.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,485.40 : 733,839.30 = 267,869.40 : x
  2. Step 2: Convert to fraction form
    489,485.40/733,839.30 = 267,869.40/x
  3. Step 3: Cross multiply
    489,485.40x = 733,839.30 × 267,869.40
  4. Step 4: Simplify right side
    489,485.40x = 196,573,092,987.42
  5. Step 5: Solve for x
    x = 196,573,092,987.42/489,485.40
  6. Step 6: Final answer
    x = 401,591.33

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1.5x scale

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.