Home / 820,092.57-1,229,141.54-580,275.57

Finding the Fourth Proportional to 820,092.57, 1,229,141.54 and 580,275.57

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Solution

The fourth proportional to 820,092.57, 1,229,141.54 and 580,275.57 is: 869,707.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,092.57 : 1,229,141.54 = 580,275.57 : x
  2. Step 2: Convert to fraction form
    820,092.57/1,229,141.54 = 580,275.57/x
  3. Step 3: Cross multiply
    820,092.57x = 1,229,141.54 × 580,275.57
  4. Step 4: Simplify right side
    820,092.57x = 713,240,804,832.80
  5. Step 5: Solve for x
    x = 713,240,804,832.80/820,092.57
  6. Step 6: Final answer
    x = 869,707.68

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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.