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Finding the Fourth Proportional to 604,446.40, 906,410.40 and 304,811.20

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Solution

The fourth proportional to 604,446.40, 906,410.40 and 304,811.20 is: 457,086.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,446.40 : 906,410.40 = 304,811.20 : x
  2. Step 2: Convert to fraction form
    604,446.40/906,410.40 = 304,811.20/x
  3. Step 3: Cross multiply
    604,446.40x = 906,410.40 × 304,811.20
  4. Step 4: Simplify right side
    604,446.40x = 276,284,041,716.48
  5. Step 5: Solve for x
    x = 276,284,041,716.48/604,446.40
  6. Step 6: Final answer
    x = 457,086.09

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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.