Home / 654,402.96-982,129.38-338,950.08

Finding the Fourth Proportional to 654,402.96, 982,129.38 and 338,950.08

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Solution

The fourth proportional to 654,402.96, 982,129.38 and 338,950.08 is: 508,697.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,402.96 : 982,129.38 = 338,950.08 : x
  2. Step 2: Convert to fraction form
    654,402.96/982,129.38 = 338,950.08/x
  3. Step 3: Cross multiply
    654,402.96x = 982,129.38 × 338,950.08
  4. Step 4: Simplify right side
    654,402.96x = 332,892,831,921.35
  5. Step 5: Solve for x
    x = 332,892,831,921.35/654,402.96
  6. Step 6: Final answer
    x = 508,697.01

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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.