Home / 746,721.10-1,120,085.70-185,755.60

Finding the Fourth Proportional to 746,721.10, 1,120,085.70 and 185,755.60

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Solution

The fourth proportional to 746,721.10, 1,120,085.70 and 185,755.60 is: 278,634.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,721.10 : 1,120,085.70 = 185,755.60 : x
  2. Step 2: Convert to fraction form
    746,721.10/1,120,085.70 = 185,755.60/x
  3. Step 3: Cross multiply
    746,721.10x = 1,120,085.70 × 185,755.60
  4. Step 4: Simplify right side
    746,721.10x = 208,062,191,254.92
  5. Step 5: Solve for x
    x = 208,062,191,254.92/746,721.10
  6. Step 6: Final answer
    x = 278,634.41

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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.