Home / 783,339.78-1,174,883.54-214,587.95

Finding the Fourth Proportional to 783,339.78, 1,174,883.54 and 214,587.95

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Solution

The fourth proportional to 783,339.78, 1,174,883.54 and 214,587.95 is: 321,847.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,339.78 : 1,174,883.54 = 214,587.95 : x
  2. Step 2: Convert to fraction form
    783,339.78/1,174,883.54 = 214,587.95/x
  3. Step 3: Cross multiply
    783,339.78x = 1,174,883.54 × 214,587.95
  4. Step 4: Simplify right side
    783,339.78x = 252,115,843,389.99
  5. Step 5: Solve for x
    x = 252,115,843,389.99/783,339.78
  6. Step 6: Final answer
    x = 321,847.36

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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.