Home / 427,721.10-590,402.59-246,505.38

Finding the Fourth Proportional to 427,721.10, 590,402.59 and 246,505.38

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Solution

The fourth proportional to 427,721.10, 590,402.59 and 246,505.38 is: 340,262.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,721.10 : 590,402.59 = 246,505.38 : x
  2. Step 2: Convert to fraction form
    427,721.10/590,402.59 = 246,505.38/x
  3. Step 3: Cross multiply
    427,721.10x = 590,402.59 × 246,505.38
  4. Step 4: Simplify right side
    427,721.10x = 145,537,414,800.93
  5. Step 5: Solve for x
    x = 145,537,414,800.93/427,721.10
  6. Step 6: Final answer
    x = 340,262.42

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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.