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Finding the Fourth Proportional to 598,672.67, 825,909.12 and 366,109.81

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Solution

The fourth proportional to 598,672.67, 825,909.12 and 366,109.81 is: 505,073.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,672.67 : 825,909.12 = 366,109.81 : x
  2. Step 2: Convert to fraction form
    598,672.67/825,909.12 = 366,109.81/x
  3. Step 3: Cross multiply
    598,672.67x = 825,909.12 × 366,109.81
  4. Step 4: Simplify right side
    598,672.67x = 302,373,428,935.69
  5. Step 5: Solve for x
    x = 302,373,428,935.69/598,672.67
  6. Step 6: Final answer
    x = 505,073.05

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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.