Home / 723,516.96-998,456.10-401,256.84

Finding the Fourth Proportional to 723,516.96, 998,456.10 and 401,256.84

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Solution

The fourth proportional to 723,516.96, 998,456.10 and 401,256.84 is: 553,735.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,516.96 : 998,456.10 = 401,256.84 : x
  2. Step 2: Convert to fraction form
    723,516.96/998,456.10 = 401,256.84/x
  3. Step 3: Cross multiply
    723,516.96x = 998,456.10 × 401,256.84
  4. Step 4: Simplify right side
    723,516.96x = 400,637,339,564.72
  5. Step 5: Solve for x
    x = 400,637,339,564.72/723,516.96
  6. Step 6: Final answer
    x = 553,735.93

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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.