Home / 617,747.09-927,219.84-298,123.90

Finding the Fourth Proportional to 617,747.09, 927,219.84 and 298,123.90

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Solution

The fourth proportional to 617,747.09, 927,219.84 and 298,123.90 is: 447,475.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,747.09 : 927,219.84 = 298,123.90 : x
  2. Step 2: Convert to fraction form
    617,747.09/927,219.84 = 298,123.90/x
  3. Step 3: Cross multiply
    617,747.09x = 927,219.84 × 298,123.90
  4. Step 4: Simplify right side
    617,747.09x = 276,426,392,540.13
  5. Step 5: Solve for x
    x = 276,426,392,540.13/617,747.09
  6. Step 6: Final answer
    x = 447,475.02

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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.