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Finding the Fourth Proportional to 604,842.40, 907,227.12 and 267,784.48

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Solution

The fourth proportional to 604,842.40, 907,227.12 and 267,784.48 is: 401,660.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,842.40 : 907,227.12 = 267,784.48 : x
  2. Step 2: Convert to fraction form
    604,842.40/907,227.12 = 267,784.48/x
  3. Step 3: Cross multiply
    604,842.40x = 907,227.12 × 267,784.48
  4. Step 4: Simplify right side
    604,842.40x = 242,941,342,571.10
  5. Step 5: Solve for x
    x = 242,941,342,571.10/604,842.40
  6. Step 6: Final answer
    x = 401,660.57

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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.