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Finding the Fourth Proportional to 653,009.61, 901,103.85 and 366,474.34

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Solution

The fourth proportional to 653,009.61, 901,103.85 and 366,474.34 is: 505,706.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,009.61 : 901,103.85 = 366,474.34 : x
  2. Step 2: Convert to fraction form
    653,009.61/901,103.85 = 366,474.34/x
  3. Step 3: Cross multiply
    653,009.61x = 901,103.85 × 366,474.34
  4. Step 4: Simplify right side
    653,009.61x = 330,231,436,447.45
  5. Step 5: Solve for x
    x = 330,231,436,447.45/653,009.61
  6. Step 6: Final answer
    x = 505,706.86

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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.