Home / 783,612.80-1,175,419.20-251,515.70

Finding the Fourth Proportional to 783,612.80, 1,175,419.20 and 251,515.70

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Solution

The fourth proportional to 783,612.80, 1,175,419.20 and 251,515.70 is: 377,273.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,612.80 : 1,175,419.20 = 251,515.70 : x
  2. Step 2: Convert to fraction form
    783,612.80/1,175,419.20 = 251,515.70/x
  3. Step 3: Cross multiply
    783,612.80x = 1,175,419.20 × 251,515.70
  4. Step 4: Simplify right side
    783,612.80x = 295,636,382,881.44
  5. Step 5: Solve for x
    x = 295,636,382,881.44/783,612.80
  6. Step 6: Final answer
    x = 377,273.55

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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.