Home / 441,289.26-661,934.16-308,428.92

Finding the Fourth Proportional to 441,289.26, 661,934.16 and 308,428.92

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Solution

The fourth proportional to 441,289.26, 661,934.16 and 308,428.92 is: 462,643.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,289.26 : 661,934.16 = 308,428.92 : x
  2. Step 2: Convert to fraction form
    441,289.26/661,934.16 = 308,428.92/x
  3. Step 3: Cross multiply
    441,289.26x = 661,934.16 × 308,428.92
  4. Step 4: Simplify right side
    441,289.26x = 204,159,638,079.91
  5. Step 5: Solve for x
    x = 204,159,638,079.91/441,289.26
  6. Step 6: Final answer
    x = 462,643.57

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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.