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Finding the Fourth Proportional to 468,659.90, 702,989.85 and 343,322.30

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Solution

The fourth proportional to 468,659.90, 702,989.85 and 343,322.30 is: 514,983.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,659.90 : 702,989.85 = 343,322.30 : x
  2. Step 2: Convert to fraction form
    468,659.90/702,989.85 = 343,322.30/x
  3. Step 3: Cross multiply
    468,659.90x = 702,989.85 × 343,322.30
  4. Step 4: Simplify right side
    468,659.90x = 241,352,092,178.66
  5. Step 5: Solve for x
    x = 241,352,092,178.66/468,659.90
  6. Step 6: Final answer
    x = 514,983.45

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Similar ratio
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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.