Home / 820,812.06-1,132,398.90-476,589.24

Finding the Fourth Proportional to 820,812.06, 1,132,398.90 and 476,589.24

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Solution

The fourth proportional to 820,812.06, 1,132,398.90 and 476,589.24 is: 657,506.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,812.06 : 1,132,398.90 = 476,589.24 : x
  2. Step 2: Convert to fraction form
    820,812.06/1,132,398.90 = 476,589.24/x
  3. Step 3: Cross multiply
    820,812.06x = 1,132,398.90 × 476,589.24
  4. Step 4: Simplify right side
    820,812.06x = 539,689,131,127.84
  5. Step 5: Solve for x
    x = 539,689,131,127.84/820,812.06
  6. Step 6: Final answer
    x = 657,506.34

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