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Finding the Fourth Proportional to 634,077.95, 875,007.23 and 347,591.88

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Solution

The fourth proportional to 634,077.95, 875,007.23 and 347,591.88 is: 479,665.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,077.95 : 875,007.23 = 347,591.88 : x
  2. Step 2: Convert to fraction form
    634,077.95/875,007.23 = 347,591.88/x
  3. Step 3: Cross multiply
    634,077.95x = 875,007.23 × 347,591.88
  4. Step 4: Simplify right side
    634,077.95x = 304,145,406,351.33
  5. Step 5: Solve for x
    x = 304,145,406,351.33/634,077.95
  6. Step 6: Final answer
    x = 479,665.64

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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.