Home / 698,896.50-1,048,344.75-200,260.50

Finding the Fourth Proportional to 698,896.50, 1,048,344.75 and 200,260.50

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Solution

The fourth proportional to 698,896.50, 1,048,344.75 and 200,260.50 is: 300,390.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,896.50 : 1,048,344.75 = 200,260.50 : x
  2. Step 2: Convert to fraction form
    698,896.50/1,048,344.75 = 200,260.50/x
  3. Step 3: Cross multiply
    698,896.50x = 1,048,344.75 × 200,260.50
  4. Step 4: Simplify right side
    698,896.50x = 209,942,043,807.38
  5. Step 5: Solve for x
    x = 209,942,043,807.38/698,896.50
  6. Step 6: Final answer
    x = 300,390.75

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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.