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Finding the Fourth Proportional to 575,936.21, 794,421.92 and 349,581.71

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Solution

The fourth proportional to 575,936.21, 794,421.92 and 349,581.71 is: 482,198.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,936.21 : 794,421.92 = 349,581.71 : x
  2. Step 2: Convert to fraction form
    575,936.21/794,421.92 = 349,581.71/x
  3. Step 3: Cross multiply
    575,936.21x = 794,421.92 × 349,581.71
  4. Step 4: Simplify right side
    575,936.21x = 277,715,367,535.07
  5. Step 5: Solve for x
    x = 277,715,367,535.07/575,936.21
  6. Step 6: Final answer
    x = 482,198.14

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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.