Home / 397,977.80-596,966.70-272,006.60

Finding the Fourth Proportional to 397,977.80, 596,966.70 and 272,006.60

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Solution

The fourth proportional to 397,977.80, 596,966.70 and 272,006.60 is: 408,009.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,977.80 : 596,966.70 = 272,006.60 : x
  2. Step 2: Convert to fraction form
    397,977.80/596,966.70 = 272,006.60/x
  3. Step 3: Cross multiply
    397,977.80x = 596,966.70 × 272,006.60
  4. Step 4: Simplify right side
    397,977.80x = 162,378,882,380.22
  5. Step 5: Solve for x
    x = 162,378,882,380.22/397,977.80
  6. Step 6: Final answer
    x = 408,009.90

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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.