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Finding the Fourth Proportional to 604,987.80, 906,606.90 and 267,752.40

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Solution

The fourth proportional to 604,987.80, 906,606.90 and 267,752.40 is: 401,241.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,987.80 : 906,606.90 = 267,752.40 : x
  2. Step 2: Convert to fraction form
    604,987.80/906,606.90 = 267,752.40/x
  3. Step 3: Cross multiply
    604,987.80x = 906,606.90 × 267,752.40
  4. Step 4: Simplify right side
    604,987.80x = 242,746,173,331.56
  5. Step 5: Solve for x
    x = 242,746,173,331.56/604,987.80
  6. Step 6: Final answer
    x = 401,241.44

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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.