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Finding the Fourth Proportional to 603,771.60, 906,448.80 and 404,981.40

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Solution

The fourth proportional to 603,771.60, 906,448.80 and 404,981.40 is: 608,002.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,771.60 : 906,448.80 = 404,981.40 : x
  2. Step 2: Convert to fraction form
    603,771.60/906,448.80 = 404,981.40/x
  3. Step 3: Cross multiply
    603,771.60x = 906,448.80 × 404,981.40
  4. Step 4: Simplify right side
    603,771.60x = 367,094,904,052.32
  5. Step 5: Solve for x
    x = 367,094,904,052.32/603,771.60
  6. Step 6: Final answer
    x = 608,002.93

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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.