Home / 737,663.72-1,018,072.94-415,436.81

Finding the Fourth Proportional to 737,663.72, 1,018,072.94 and 415,436.81

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Solution

The fourth proportional to 737,663.72, 1,018,072.94 and 415,436.81 is: 573,357.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,663.72 : 1,018,072.94 = 415,436.81 : x
  2. Step 2: Convert to fraction form
    737,663.72/1,018,072.94 = 415,436.81/x
  3. Step 3: Cross multiply
    737,663.72x = 1,018,072.94 × 415,436.81
  4. Step 4: Simplify right side
    737,663.72x = 422,944,967,373.37
  5. Step 5: Solve for x
    x = 422,944,967,373.37/737,663.72
  6. Step 6: Final answer
    x = 573,357.42

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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.