Home / 727,459.74-1,091,191.77-254,145.15

Finding the Fourth Proportional to 727,459.74, 1,091,191.77 and 254,145.15

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Solution

The fourth proportional to 727,459.74, 1,091,191.77 and 254,145.15 is: 381,218.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,459.74 : 1,091,191.77 = 254,145.15 : x
  2. Step 2: Convert to fraction form
    727,459.74/1,091,191.77 = 254,145.15/x
  3. Step 3: Cross multiply
    727,459.74x = 1,091,191.77 × 254,145.15
  4. Step 4: Simplify right side
    727,459.74x = 277,321,096,065.42
  5. Step 5: Solve for x
    x = 277,321,096,065.42/727,459.74
  6. Step 6: Final answer
    x = 381,218.48

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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.