Home / 820,983.88-1,132,977-458,395.48

Finding the Fourth Proportional to 820,983.88, 1,132,977 and 458,395.48

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Solution

The fourth proportional to 820,983.88, 1,132,977 and 458,395.48 is: 632,596.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,983.88 : 1,132,977 = 458,395.48 : x
  2. Step 2: Convert to fraction form
    820,983.88/1,132,977 = 458,395.48/x
  3. Step 3: Cross multiply
    820,983.88x = 1,132,977 × 458,395.48
  4. Step 4: Simplify right side
    820,983.88x = 519,351,535,743.96
  5. Step 5: Solve for x
    x = 519,351,535,743.96/820,983.88
  6. Step 6: Final answer
    x = 632,596.51

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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.