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Finding the Fourth Proportional to 603,669.40, 906,087.30 and 367,473.40

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Solution

The fourth proportional to 603,669.40, 906,087.30 and 367,473.40 is: 551,565.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,669.40 : 906,087.30 = 367,473.40 : x
  2. Step 2: Convert to fraction form
    603,669.40/906,087.30 = 367,473.40/x
  3. Step 3: Cross multiply
    603,669.40x = 906,087.30 × 367,473.40
  4. Step 4: Simplify right side
    603,669.40x = 332,962,980,827.82
  5. Step 5: Solve for x
    x = 332,962,980,827.82/603,669.40
  6. Step 6: Final answer
    x = 551,565.11

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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.