Home / 820,464.66-1,132,298.10-457,959.24

Finding the Fourth Proportional to 820,464.66, 1,132,298.10 and 457,959.24

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Solution

The fourth proportional to 820,464.66, 1,132,298.10 and 457,959.24 is: 632,015.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,464.66 : 1,132,298.10 = 457,959.24 : x
  2. Step 2: Convert to fraction form
    820,464.66/1,132,298.10 = 457,959.24/x
  3. Step 3: Cross multiply
    820,464.66x = 1,132,298.10 × 457,959.24
  4. Step 4: Simplify right side
    820,464.66x = 518,546,377,329.44
  5. Step 5: Solve for x
    x = 518,546,377,329.44/820,464.66
  6. Step 6: Final answer
    x = 632,015.49

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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.