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Finding the Fourth Proportional to 656,576.70, 984,865.05 and 446,624.70

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Solution

The fourth proportional to 656,576.70, 984,865.05 and 446,624.70 is: 669,937.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,576.70 : 984,865.05 = 446,624.70 : x
  2. Step 2: Convert to fraction form
    656,576.70/984,865.05 = 446,624.70/x
  3. Step 3: Cross multiply
    656,576.70x = 984,865.05 × 446,624.70
  4. Step 4: Simplify right side
    656,576.70x = 439,865,057,496.74
  5. Step 5: Solve for x
    x = 439,865,057,496.74/656,576.70
  6. Step 6: Final answer
    x = 669,937.05

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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.