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Finding the Fourth Proportional to 585,324.26, 807,877.80 and 355,832.93

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Solution

The fourth proportional to 585,324.26, 807,877.80 and 355,832.93 is: 491,128.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,324.26 : 807,877.80 = 355,832.93 : x
  2. Step 2: Convert to fraction form
    585,324.26/807,877.80 = 355,832.93/x
  3. Step 3: Cross multiply
    585,324.26x = 807,877.80 × 355,832.93
  4. Step 4: Simplify right side
    585,324.26x = 287,469,524,655.95
  5. Step 5: Solve for x
    x = 287,469,524,655.95/585,324.26
  6. Step 6: Final answer
    x = 491,128.67

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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.