Home / 813,018.62-1,219,035.85-363,655.73

Finding the Fourth Proportional to 813,018.62, 1,219,035.85 and 363,655.73

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Solution

The fourth proportional to 813,018.62, 1,219,035.85 and 363,655.73 is: 545,263.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,018.62 : 1,219,035.85 = 363,655.73 : x
  2. Step 2: Convert to fraction form
    813,018.62/1,219,035.85 = 363,655.73/x
  3. Step 3: Cross multiply
    813,018.62x = 1,219,035.85 × 363,655.73
  4. Step 4: Simplify right side
    813,018.62x = 443,309,374,066.37
  5. Step 5: Solve for x
    x = 443,309,374,066.37/813,018.62
  6. Step 6: Final answer
    x = 545,263.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.