Home / 677,461.75-1,015,306.79-277,634.41

Finding the Fourth Proportional to 677,461.75, 1,015,306.79 and 277,634.41

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Solution

The fourth proportional to 677,461.75, 1,015,306.79 and 277,634.41 is: 416,088.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,461.75 : 1,015,306.79 = 277,634.41 : x
  2. Step 2: Convert to fraction form
    677,461.75/1,015,306.79 = 277,634.41/x
  3. Step 3: Cross multiply
    677,461.75x = 1,015,306.79 × 277,634.41
  4. Step 4: Simplify right side
    677,461.75x = 281,884,097,684.21
  5. Step 5: Solve for x
    x = 281,884,097,684.21/677,461.75
  6. Step 6: Final answer
    x = 416,088.58

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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.