Home / 722,820.42-1,084,283.88-190,337.76

Finding the Fourth Proportional to 722,820.42, 1,084,283.88 and 190,337.76

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Solution

The fourth proportional to 722,820.42, 1,084,283.88 and 190,337.76 is: 285,520.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,820.42 : 1,084,283.88 = 190,337.76 : x
  2. Step 2: Convert to fraction form
    722,820.42/1,084,283.88 = 190,337.76/x
  3. Step 3: Cross multiply
    722,820.42x = 1,084,283.88 × 190,337.76
  4. Step 4: Simplify right side
    722,820.42x = 206,380,164,923.31
  5. Step 5: Solve for x
    x = 206,380,164,923.31/722,820.42
  6. Step 6: Final answer
    x = 285,520.66

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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.