Home / 820,832.70-1,231,253.16-371,026.95

Finding the Fourth Proportional to 820,832.70, 1,231,253.16 and 371,026.95

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Solution

The fourth proportional to 820,832.70, 1,231,253.16 and 371,026.95 is: 556,542.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,832.70 : 1,231,253.16 = 371,026.95 : x
  2. Step 2: Convert to fraction form
    820,832.70/1,231,253.16 = 371,026.95/x
  3. Step 3: Cross multiply
    820,832.70x = 1,231,253.16 × 371,026.95
  4. Step 4: Simplify right side
    820,832.70x = 456,828,104,632.66
  5. Step 5: Solve for x
    x = 456,828,104,632.66/820,832.70
  6. Step 6: Final answer
    x = 556,542.28

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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.