Home / 783,678.36-1,175,628.24-251,074.80

Finding the Fourth Proportional to 783,678.36, 1,175,628.24 and 251,074.80

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Solution

The fourth proportional to 783,678.36, 1,175,628.24 and 251,074.80 is: 376,647.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,678.36 : 1,175,628.24 = 251,074.80 : x
  2. Step 2: Convert to fraction form
    783,678.36/1,175,628.24 = 251,074.80/x
  3. Step 3: Cross multiply
    783,678.36x = 1,175,628.24 × 251,074.80
  4. Step 4: Simplify right side
    783,678.36x = 295,170,625,232.35
  5. Step 5: Solve for x
    x = 295,170,625,232.35/783,678.36
  6. Step 6: Final answer
    x = 376,647.67

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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.