Home / 783,987.75-1,175,870.97-251,439.66

Finding the Fourth Proportional to 783,987.75, 1,175,870.97 and 251,439.66

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Solution

The fourth proportional to 783,987.75, 1,175,870.97 and 251,439.66 is: 377,124.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,987.75 : 1,175,870.97 = 251,439.66 : x
  2. Step 2: Convert to fraction form
    783,987.75/1,175,870.97 = 251,439.66/x
  3. Step 3: Cross multiply
    783,987.75x = 1,175,870.97 × 251,439.66
  4. Step 4: Simplify right side
    783,987.75x = 295,660,596,900.67
  5. Step 5: Solve for x
    x = 295,660,596,900.67/783,987.75
  6. Step 6: Final answer
    x = 377,124.00

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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.