Home / 723,374.58-998,313.34-401,147.46

Finding the Fourth Proportional to 723,374.58, 998,313.34 and 401,147.46

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Solution

The fourth proportional to 723,374.58, 998,313.34 and 401,147.46 is: 553,614.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,374.58 : 998,313.34 = 401,147.46 : x
  2. Step 2: Convert to fraction form
    723,374.58/998,313.34 = 401,147.46/x
  3. Step 3: Cross multiply
    723,374.58x = 998,313.34 × 401,147.46
  4. Step 4: Simplify right side
    723,374.58x = 400,470,860,625.12
  5. Step 5: Solve for x
    x = 400,470,860,625.12/723,374.58
  6. Step 6: Final answer
    x = 553,614.78

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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.