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Finding the Fourth Proportional to 653,559.40, 901,893.97 and 363,163.46

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Solution

The fourth proportional to 653,559.40, 901,893.97 and 363,163.46 is: 501,155.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,559.40 : 901,893.97 = 363,163.46 : x
  2. Step 2: Convert to fraction form
    653,559.40/901,893.97 = 363,163.46/x
  3. Step 3: Cross multiply
    653,559.40x = 901,893.97 × 363,163.46
  4. Step 4: Simplify right side
    653,559.40x = 327,534,934,698.34
  5. Step 5: Solve for x
    x = 327,534,934,698.34/653,559.40
  6. Step 6: Final answer
    x = 501,155.57

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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.