Home / 669,739.40-1,004,609.10-296,491.40

Finding the Fourth Proportional to 669,739.40, 1,004,609.10 and 296,491.40

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Solution

The fourth proportional to 669,739.40, 1,004,609.10 and 296,491.40 is: 444,737.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,739.40 : 1,004,609.10 = 296,491.40 : x
  2. Step 2: Convert to fraction form
    669,739.40/1,004,609.10 = 296,491.40/x
  3. Step 3: Cross multiply
    669,739.40x = 1,004,609.10 × 296,491.40
  4. Step 4: Simplify right side
    669,739.40x = 297,857,958,511.74
  5. Step 5: Solve for x
    x = 297,857,958,511.74/669,739.40
  6. Step 6: Final answer
    x = 444,737.10

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Double scale
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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.