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Finding the Fourth Proportional to 635,294.19, 876,703.41 and 363,361.69

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Solution

The fourth proportional to 635,294.19, 876,703.41 and 363,361.69 is: 501,437.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,294.19 : 876,703.41 = 363,361.69 : x
  2. Step 2: Convert to fraction form
    635,294.19/876,703.41 = 363,361.69/x
  3. Step 3: Cross multiply
    635,294.19x = 876,703.41 × 363,361.69
  4. Step 4: Simplify right side
    635,294.19x = 318,560,434,878.12
  5. Step 5: Solve for x
    x = 318,560,434,878.12/635,294.19
  6. Step 6: Final answer
    x = 501,437.67

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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.