Home / 501,949.18-692,690.39-298,040.82

Finding the Fourth Proportional to 501,949.18, 692,690.39 and 298,040.82

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Solution

The fourth proportional to 501,949.18, 692,690.39 and 298,040.82 is: 411,296.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,949.18 : 692,690.39 = 298,040.82 : x
  2. Step 2: Convert to fraction form
    501,949.18/692,690.39 = 298,040.82/x
  3. Step 3: Cross multiply
    501,949.18x = 692,690.39 × 298,040.82
  4. Step 4: Simplify right side
    501,949.18x = 206,450,011,841.72
  5. Step 5: Solve for x
    x = 206,450,011,841.72/501,949.18
  6. Step 6: Final answer
    x = 411,296.64

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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.