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Finding the Fourth Proportional to 834,455.24, 1,251,129.78 and 301,907

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Solution

The fourth proportional to 834,455.24, 1,251,129.78 and 301,907 is: 452,660.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,455.24 : 1,251,129.78 = 301,907 : x
  2. Step 2: Convert to fraction form
    834,455.24/1,251,129.78 = 301,907/x
  3. Step 3: Cross multiply
    834,455.24x = 1,251,129.78 × 301,907
  4. Step 4: Simplify right side
    834,455.24x = 377,724,838,490.46
  5. Step 5: Solve for x
    x = 377,724,838,490.46/834,455.24
  6. Step 6: Final answer
    x = 452,660.39

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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.