Home / 511,823.76-767,113.03-362,107.23

Finding the Fourth Proportional to 511,823.76, 767,113.03 and 362,107.23

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Solution

The fourth proportional to 511,823.76, 767,113.03 and 362,107.23 is: 542,720.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,823.76 : 767,113.03 = 362,107.23 : x
  2. Step 2: Convert to fraction form
    511,823.76/767,113.03 = 362,107.23/x
  3. Step 3: Cross multiply
    511,823.76x = 767,113.03 × 362,107.23
  4. Step 4: Simplify right side
    511,823.76x = 277,777,174,390.21
  5. Step 5: Solve for x
    x = 277,777,174,390.21/511,823.76
  6. Step 6: Final answer
    x = 542,720.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.