Home / 478,237.20-659,942.04-274,277.58

Finding the Fourth Proportional to 478,237.20, 659,942.04 and 274,277.58

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Solution

The fourth proportional to 478,237.20, 659,942.04 and 274,277.58 is: 378,488.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,237.20 : 659,942.04 = 274,277.58 : x
  2. Step 2: Convert to fraction form
    478,237.20/659,942.04 = 274,277.58/x
  3. Step 3: Cross multiply
    478,237.20x = 659,942.04 × 274,277.58
  4. Step 4: Simplify right side
    478,237.20x = 181,007,305,671.46
  5. Step 5: Solve for x
    x = 181,007,305,671.46/478,237.20
  6. Step 6: Final answer
    x = 378,488.55

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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.