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Finding the Fourth Proportional to 603,293.73, 832,552.19 and 331,368

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Solution

The fourth proportional to 603,293.73, 832,552.19 and 331,368 is: 457,291.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,293.73 : 832,552.19 = 331,368 : x
  2. Step 2: Convert to fraction form
    603,293.73/832,552.19 = 331,368/x
  3. Step 3: Cross multiply
    603,293.73x = 832,552.19 × 331,368
  4. Step 4: Simplify right side
    603,293.73x = 275,881,152,439.08
  5. Step 5: Solve for x
    x = 275,881,152,439.08/603,293.73
  6. Step 6: Final answer
    x = 457,291.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.