Home / 694,226.70-1,041,340.05-427,121.10

Finding the Fourth Proportional to 694,226.70, 1,041,340.05 and 427,121.10

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Solution

The fourth proportional to 694,226.70, 1,041,340.05 and 427,121.10 is: 640,681.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,226.70 : 1,041,340.05 = 427,121.10 : x
  2. Step 2: Convert to fraction form
    694,226.70/1,041,340.05 = 427,121.10/x
  3. Step 3: Cross multiply
    694,226.70x = 1,041,340.05 × 427,121.10
  4. Step 4: Simplify right side
    694,226.70x = 444,778,307,630.06
  5. Step 5: Solve for x
    x = 444,778,307,630.06/694,226.70
  6. Step 6: Final answer
    x = 640,681.65

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Double scale
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Similar ratio
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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.