Home / 783,152.80-1,174,730.23-214,538.95

Finding the Fourth Proportional to 783,152.80, 1,174,730.23 and 214,538.95

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Solution

The fourth proportional to 783,152.80, 1,174,730.23 and 214,538.95 is: 321,808.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,152.80 : 1,174,730.23 = 214,538.95 : x
  2. Step 2: Convert to fraction form
    783,152.80/1,174,730.23 = 214,538.95/x
  3. Step 3: Cross multiply
    783,152.80x = 1,174,730.23 × 214,538.95
  4. Step 4: Simplify right side
    783,152.80x = 252,025,392,477.94
  5. Step 5: Solve for x
    x = 252,025,392,477.94/783,152.80
  6. Step 6: Final answer
    x = 321,808.71

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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.