Home / 748,054.70-1,122,192.78-274,703.15

Finding the Fourth Proportional to 748,054.70, 1,122,192.78 and 274,703.15

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Solution

The fourth proportional to 748,054.70, 1,122,192.78 and 274,703.15 is: 412,095.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,054.70 : 1,122,192.78 = 274,703.15 : x
  2. Step 2: Convert to fraction form
    748,054.70/1,122,192.78 = 274,703.15/x
  3. Step 3: Cross multiply
    748,054.70x = 1,122,192.78 × 274,703.15
  4. Step 4: Simplify right side
    748,054.70x = 308,269,891,573.26
  5. Step 5: Solve for x
    x = 308,269,891,573.26/748,054.70
  6. Step 6: Final answer
    x = 412,095.39

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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.