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Finding the Fourth Proportional to 634,542.56, 952,063.07 and 279,307.54

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Solution

The fourth proportional to 634,542.56, 952,063.07 and 279,307.54 is: 419,071.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,542.56 : 952,063.07 = 279,307.54 : x
  2. Step 2: Convert to fraction form
    634,542.56/952,063.07 = 279,307.54/x
  3. Step 3: Cross multiply
    634,542.56x = 952,063.07 × 279,307.54
  4. Step 4: Simplify right side
    634,542.56x = 265,918,393,800.09
  5. Step 5: Solve for x
    x = 265,918,393,800.09/634,542.56
  6. Step 6: Final answer
    x = 419,071.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.