Home / 694,712.70-1,042,069.05-245,940.30

Finding the Fourth Proportional to 694,712.70, 1,042,069.05 and 245,940.30

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Solution

The fourth proportional to 694,712.70, 1,042,069.05 and 245,940.30 is: 368,910.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,712.70 : 1,042,069.05 = 245,940.30 : x
  2. Step 2: Convert to fraction form
    694,712.70/1,042,069.05 = 245,940.30/x
  3. Step 3: Cross multiply
    694,712.70x = 1,042,069.05 × 245,940.30
  4. Step 4: Simplify right side
    694,712.70x = 256,286,774,777.72
  5. Step 5: Solve for x
    x = 256,286,774,777.72/694,712.70
  6. Step 6: Final answer
    x = 368,910.45

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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.