Home / 752,036.19-1,128,161.50-246,636.72

Finding the Fourth Proportional to 752,036.19, 1,128,161.50 and 246,636.72

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Solution

The fourth proportional to 752,036.19, 1,128,161.50 and 246,636.72 is: 369,990.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,036.19 : 1,128,161.50 = 246,636.72 : x
  2. Step 2: Convert to fraction form
    752,036.19/1,128,161.50 = 246,636.72/x
  3. Step 3: Cross multiply
    752,036.19x = 1,128,161.50 × 246,636.72
  4. Step 4: Simplify right side
    752,036.19x = 278,246,056,297.96
  5. Step 5: Solve for x
    x = 278,246,056,297.96/752,036.19
  6. Step 6: Final answer
    x = 369,990.25

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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.