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Finding the Fourth Proportional to 604,694.80, 906,167.40 and 267,459.40

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Solution

The fourth proportional to 604,694.80, 906,167.40 and 267,459.40 is: 400,802.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,694.80 : 906,167.40 = 267,459.40 : x
  2. Step 2: Convert to fraction form
    604,694.80/906,167.40 = 267,459.40/x
  3. Step 3: Cross multiply
    604,694.80x = 906,167.40 × 267,459.40
  4. Step 4: Simplify right side
    604,694.80x = 242,362,989,103.56
  5. Step 5: Solve for x
    x = 242,362,989,103.56/604,694.80
  6. Step 6: Final answer
    x = 400,802.17

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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.