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Finding the Fourth Proportional to 664,010.60, 996,534.30 and 309,068.60

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Solution

The fourth proportional to 664,010.60, 996,534.30 and 309,068.60 is: 463,844.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,010.60 : 996,534.30 = 309,068.60 : x
  2. Step 2: Convert to fraction form
    664,010.60/996,534.30 = 309,068.60/x
  3. Step 3: Cross multiply
    664,010.60x = 996,534.30 × 309,068.60
  4. Step 4: Simplify right side
    664,010.60x = 307,997,460,952.98
  5. Step 5: Solve for x
    x = 307,997,460,952.98/664,010.60
  6. Step 6: Final answer
    x = 463,844.19

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Similar ratio
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1.5x scale

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.