Home / 838,490.46-1,257,559.04-269,922.30

Finding the Fourth Proportional to 838,490.46, 1,257,559.04 and 269,922.30

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Solution

The fourth proportional to 838,490.46, 1,257,559.04 and 269,922.30 is: 404,826.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,490.46 : 1,257,559.04 = 269,922.30 : x
  2. Step 2: Convert to fraction form
    838,490.46/1,257,559.04 = 269,922.30/x
  3. Step 3: Cross multiply
    838,490.46x = 1,257,559.04 × 269,922.30
  4. Step 4: Simplify right side
    838,490.46x = 339,443,227,112.98
  5. Step 5: Solve for x
    x = 339,443,227,112.98/838,490.46
  6. Step 6: Final answer
    x = 404,826.58

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1.5x scale

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.