Home / 692,424.14-1,038,475.83-219,021.26

Finding the Fourth Proportional to 692,424.14, 1,038,475.83 and 219,021.26

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Solution

The fourth proportional to 692,424.14, 1,038,475.83 and 219,021.26 is: 328,481.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,424.14 : 1,038,475.83 = 219,021.26 : x
  2. Step 2: Convert to fraction form
    692,424.14/1,038,475.83 = 219,021.26/x
  3. Step 3: Cross multiply
    692,424.14x = 1,038,475.83 × 219,021.26
  4. Step 4: Simplify right side
    692,424.14x = 227,448,284,766.15
  5. Step 5: Solve for x
    x = 227,448,284,766.15/692,424.14
  6. Step 6: Final answer
    x = 328,481.16

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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.