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Finding the Fourth Proportional to 608,844.60, 913,266.90 and 328,908.60

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Solution

The fourth proportional to 608,844.60, 913,266.90 and 328,908.60 is: 493,362.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,844.60 : 913,266.90 = 328,908.60 : x
  2. Step 2: Convert to fraction form
    608,844.60/913,266.90 = 328,908.60/x
  3. Step 3: Cross multiply
    608,844.60x = 913,266.90 × 328,908.60
  4. Step 4: Simplify right side
    608,844.60x = 300,381,337,505.34
  5. Step 5: Solve for x
    x = 300,381,337,505.34/608,844.60
  6. Step 6: Final answer
    x = 493,362.90

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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.