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Finding the Fourth Proportional to 653,221, 901,375.86 and 366,773.32

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Solution

The fourth proportional to 653,221, 901,375.86 and 366,773.32 is: 506,108.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,221 : 901,375.86 = 366,773.32 : x
  2. Step 2: Convert to fraction form
    653,221/901,375.86 = 366,773.32/x
  3. Step 3: Cross multiply
    653,221x = 901,375.86 × 366,773.32
  4. Step 4: Simplify right side
    653,221x = 330,600,616,740.06
  5. Step 5: Solve for x
    x = 330,600,616,740.06/653,221
  6. Step 6: Final answer
    x = 506,108.37

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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.