Home / 723,790.01-998,749.64-401,419.33

Finding the Fourth Proportional to 723,790.01, 998,749.64 and 401,419.33

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Solution

The fourth proportional to 723,790.01, 998,749.64 and 401,419.33 is: 553,913.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,790.01 : 998,749.64 = 401,419.33 : x
  2. Step 2: Convert to fraction form
    723,790.01/998,749.64 = 401,419.33/x
  3. Step 3: Cross multiply
    723,790.01x = 998,749.64 × 401,419.33
  4. Step 4: Simplify right side
    723,790.01x = 400,917,409,833.22
  5. Step 5: Solve for x
    x = 400,917,409,833.22/723,790.01
  6. Step 6: Final answer
    x = 553,913.98

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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.