Home / 692,049.18-955,040.31-405,650.46

Finding the Fourth Proportional to 692,049.18, 955,040.31 and 405,650.46

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Solution

The fourth proportional to 692,049.18, 955,040.31 and 405,650.46 is: 559,804.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,049.18 : 955,040.31 = 405,650.46 : x
  2. Step 2: Convert to fraction form
    692,049.18/955,040.31 = 405,650.46/x
  3. Step 3: Cross multiply
    692,049.18x = 955,040.31 × 405,650.46
  4. Step 4: Simplify right side
    692,049.18x = 387,412,541,070.04
  5. Step 5: Solve for x
    x = 387,412,541,070.04/692,049.18
  6. Step 6: Final answer
    x = 559,804.93

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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.