Home / 806,563.67-1,112,436.17-500,821.07

Finding the Fourth Proportional to 806,563.67, 1,112,436.17 and 500,821.07

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Solution

The fourth proportional to 806,563.67, 1,112,436.17 and 500,821.07 is: 690,747.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,563.67 : 1,112,436.17 = 500,821.07 : x
  2. Step 2: Convert to fraction form
    806,563.67/1,112,436.17 = 500,821.07/x
  3. Step 3: Cross multiply
    806,563.67x = 1,112,436.17 × 500,821.07
  4. Step 4: Simplify right side
    806,563.67x = 557,131,473,243.09
  5. Step 5: Solve for x
    x = 557,131,473,243.09/806,563.67
  6. Step 6: Final answer
    x = 690,747.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.