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Finding the Fourth Proportional to 656,286.10, 984,866.55 and 301,117.30

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Solution

The fourth proportional to 656,286.10, 984,866.55 and 301,117.30 is: 451,876.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,286.10 : 984,866.55 = 301,117.30 : x
  2. Step 2: Convert to fraction form
    656,286.10/984,866.55 = 301,117.30/x
  3. Step 3: Cross multiply
    656,286.10x = 984,866.55 × 301,117.30
  4. Step 4: Simplify right side
    656,286.10x = 296,560,356,396.32
  5. Step 5: Solve for x
    x = 296,560,356,396.32/656,286.10
  6. Step 6: Final answer
    x = 451,876.64

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Double scale
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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.