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Finding the Fourth Proportional to 544,012.80, 816,019.20 and 344,558.40

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Solution

The fourth proportional to 544,012.80, 816,019.20 and 344,558.40 is: 516,837.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,012.80 : 816,019.20 = 344,558.40 : x
  2. Step 2: Convert to fraction form
    544,012.80/816,019.20 = 344,558.40/x
  3. Step 3: Cross multiply
    544,012.80x = 816,019.20 × 344,558.40
  4. Step 4: Simplify right side
    544,012.80x = 281,166,269,921.28
  5. Step 5: Solve for x
    x = 281,166,269,921.28/544,012.80
  6. Step 6: Final answer
    x = 516,837.60

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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.