Home / 723,274.72-998,092.08-405,302.24

Finding the Fourth Proportional to 723,274.72, 998,092.08 and 405,302.24

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Solution

The fourth proportional to 723,274.72, 998,092.08 and 405,302.24 is: 559,301.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,274.72 : 998,092.08 = 405,302.24 : x
  2. Step 2: Convert to fraction form
    723,274.72/998,092.08 = 405,302.24/x
  3. Step 3: Cross multiply
    723,274.72x = 998,092.08 × 405,302.24
  4. Step 4: Simplify right side
    723,274.72x = 404,528,955,750.26
  5. Step 5: Solve for x
    x = 404,528,955,750.26/723,274.72
  6. Step 6: Final answer
    x = 559,301.94

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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.