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Finding the Fourth Proportional to 664,805.34, 997,208.01 and 310,067.46

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Solution

The fourth proportional to 664,805.34, 997,208.01 and 310,067.46 is: 465,101.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,805.34 : 997,208.01 = 310,067.46 : x
  2. Step 2: Convert to fraction form
    664,805.34/997,208.01 = 310,067.46/x
  3. Step 3: Cross multiply
    664,805.34x = 997,208.01 × 310,067.46
  4. Step 4: Simplify right side
    664,805.34x = 309,201,754,752.36
  5. Step 5: Solve for x
    x = 309,201,754,752.36/664,805.34
  6. Step 6: Final answer
    x = 465,101.19

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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.