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Finding the Fourth Proportional to 610,402.21, 914,673.83 and 310,433.29

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Solution

The fourth proportional to 610,402.21, 914,673.83 and 310,433.29 is: 465,177.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,402.21 : 914,673.83 = 310,433.29 : x
  2. Step 2: Convert to fraction form
    610,402.21/914,673.83 = 310,433.29/x
  3. Step 3: Cross multiply
    610,402.21x = 914,673.83 × 310,433.29
  4. Step 4: Simplify right side
    610,402.21x = 283,945,206,323.80
  5. Step 5: Solve for x
    x = 283,945,206,323.80/610,402.21
  6. Step 6: Final answer
    x = 465,177.23

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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.