Home / 783,428.12-1,175,170.02-250,879.94

Finding the Fourth Proportional to 783,428.12, 1,175,170.02 and 250,879.94

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Solution

The fourth proportional to 783,428.12, 1,175,170.02 and 250,879.94 is: 376,328.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,428.12 : 1,175,170.02 = 250,879.94 : x
  2. Step 2: Convert to fraction form
    783,428.12/1,175,170.02 = 250,879.94/x
  3. Step 3: Cross multiply
    783,428.12x = 1,175,170.02 × 250,879.94
  4. Step 4: Simplify right side
    783,428.12x = 294,826,584,107.40
  5. Step 5: Solve for x
    x = 294,826,584,107.40/783,428.12
  6. Step 6: Final answer
    x = 376,328.83

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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.