Home / 729,297.27-1,006,262.96-438,830.87

Finding the Fourth Proportional to 729,297.27, 1,006,262.96 and 438,830.87

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Solution

The fourth proportional to 729,297.27, 1,006,262.96 and 438,830.87 is: 605,485.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,297.27 : 1,006,262.96 = 438,830.87 : x
  2. Step 2: Convert to fraction form
    729,297.27/1,006,262.96 = 438,830.87/x
  3. Step 3: Cross multiply
    729,297.27x = 1,006,262.96 × 438,830.87
  4. Step 4: Simplify right side
    729,297.27x = 441,579,242,960.11
  5. Step 5: Solve for x
    x = 441,579,242,960.11/729,297.27
  6. Step 6: Final answer
    x = 605,485.94

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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.