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Finding the Fourth Proportional to 603,838.70, 906,004.08 and 304,405.58

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Solution

The fourth proportional to 603,838.70, 906,004.08 and 304,405.58 is: 456,732.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,838.70 : 906,004.08 = 304,405.58 : x
  2. Step 2: Convert to fraction form
    603,838.70/906,004.08 = 304,405.58/x
  3. Step 3: Cross multiply
    603,838.70x = 906,004.08 × 304,405.58
  4. Step 4: Simplify right side
    603,838.70x = 275,792,697,454.77
  5. Step 5: Solve for x
    x = 275,792,697,454.77/603,838.70
  6. Step 6: Final answer
    x = 456,732.40

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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.