Home / 617,748.98-927,222.65-298,125.78

Finding the Fourth Proportional to 617,748.98, 927,222.65 and 298,125.78

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Solution

The fourth proportional to 617,748.98, 927,222.65 and 298,125.78 is: 447,477.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,748.98 : 927,222.65 = 298,125.78 : x
  2. Step 2: Convert to fraction form
    617,748.98/927,222.65 = 298,125.78/x
  3. Step 3: Cross multiply
    617,748.98x = 927,222.65 × 298,125.78
  4. Step 4: Simplify right side
    617,748.98x = 276,428,975,764.92
  5. Step 5: Solve for x
    x = 276,428,975,764.92/617,748.98
  6. Step 6: Final answer
    x = 447,477.83

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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.