Home / 748,336.26-1,122,504.39-274,816.74

Finding the Fourth Proportional to 748,336.26, 1,122,504.39 and 274,816.74

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Solution

The fourth proportional to 748,336.26, 1,122,504.39 and 274,816.74 is: 412,225.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,336.26 : 1,122,504.39 = 274,816.74 : x
  2. Step 2: Convert to fraction form
    748,336.26/1,122,504.39 = 274,816.74/x
  3. Step 3: Cross multiply
    748,336.26x = 1,122,504.39 × 274,816.74
  4. Step 4: Simplify right side
    748,336.26x = 308,482,997,095.49
  5. Step 5: Solve for x
    x = 308,482,997,095.49/748,336.26
  6. Step 6: Final answer
    x = 412,225.11

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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.