Home / 379,560.30-523,804.38-207,487.80

Finding the Fourth Proportional to 379,560.30, 523,804.38 and 207,487.80

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Solution

The fourth proportional to 379,560.30, 523,804.38 and 207,487.80 is: 286,339.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,560.30 : 523,804.38 = 207,487.80 : x
  2. Step 2: Convert to fraction form
    379,560.30/523,804.38 = 207,487.80/x
  3. Step 3: Cross multiply
    379,560.30x = 523,804.38 × 207,487.80
  4. Step 4: Simplify right side
    379,560.30x = 108,683,018,436.56
  5. Step 5: Solve for x
    x = 108,683,018,436.56/379,560.30
  6. Step 6: Final answer
    x = 286,339.27

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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.