Home / 722,817.42-1,084,279.38-190,334.76

Finding the Fourth Proportional to 722,817.42, 1,084,279.38 and 190,334.76

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Solution

The fourth proportional to 722,817.42, 1,084,279.38 and 190,334.76 is: 285,516.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,817.42 : 1,084,279.38 = 190,334.76 : x
  2. Step 2: Convert to fraction form
    722,817.42/1,084,279.38 = 190,334.76/x
  3. Step 3: Cross multiply
    722,817.42x = 1,084,279.38 × 190,334.76
  4. Step 4: Simplify right side
    722,817.42x = 206,376,055,565.25
  5. Step 5: Solve for x
    x = 206,376,055,565.25/722,817.42
  6. Step 6: Final answer
    x = 285,516.16

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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.