Home / 838,518.56-1,257,513.08-269,772.96

Finding the Fourth Proportional to 838,518.56, 1,257,513.08 and 269,772.96

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Solution

The fourth proportional to 838,518.56, 1,257,513.08 and 269,772.96 is: 404,574.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,518.56 : 1,257,513.08 = 269,772.96 : x
  2. Step 2: Convert to fraction form
    838,518.56/1,257,513.08 = 269,772.96/x
  3. Step 3: Cross multiply
    838,518.56x = 1,257,513.08 × 269,772.96
  4. Step 4: Simplify right side
    838,518.56x = 339,243,024,481.45
  5. Step 5: Solve for x
    x = 339,243,024,481.45/838,518.56
  6. Step 6: Final answer
    x = 404,574.26

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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.