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Finding the Fourth Proportional to 609,911.51, 841,682.87 and 337,983.95

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Solution

The fourth proportional to 609,911.51, 841,682.87 and 337,983.95 is: 466,420.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,911.51 : 841,682.87 = 337,983.95 : x
  2. Step 2: Convert to fraction form
    609,911.51/841,682.87 = 337,983.95/x
  3. Step 3: Cross multiply
    609,911.51x = 841,682.87 × 337,983.95
  4. Step 4: Simplify right side
    609,911.51x = 284,475,301,049.94
  5. Step 5: Solve for x
    x = 284,475,301,049.94/609,911.51
  6. Step 6: Final answer
    x = 466,420.61

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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.