Home / 723,481.10-998,355.24-401,179.26

Finding the Fourth Proportional to 723,481.10, 998,355.24 and 401,179.26

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Solution

The fourth proportional to 723,481.10, 998,355.24 and 401,179.26 is: 553,600.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,481.10 : 998,355.24 = 401,179.26 : x
  2. Step 2: Convert to fraction form
    723,481.10/998,355.24 = 401,179.26/x
  3. Step 3: Cross multiply
    723,481.10x = 998,355.24 × 401,179.26
  4. Step 4: Simplify right side
    723,481.10x = 400,519,416,400.32
  5. Step 5: Solve for x
    x = 400,519,416,400.32/723,481.10
  6. Step 6: Final answer
    x = 553,600.39

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1.5x scale

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.