Home / 617,748.91-927,222.56-298,125.74

Finding the Fourth Proportional to 617,748.91, 927,222.56 and 298,125.74

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Solution

The fourth proportional to 617,748.91, 927,222.56 and 298,125.74 is: 447,477.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,748.91 : 927,222.56 = 298,125.74 : x
  2. Step 2: Convert to fraction form
    617,748.91/927,222.56 = 298,125.74/x
  3. Step 3: Cross multiply
    617,748.91x = 927,222.56 × 298,125.74
  4. Step 4: Simplify right side
    617,748.91x = 276,428,911,844.69
  5. Step 5: Solve for x
    x = 276,428,911,844.69/617,748.91
  6. Step 6: Final answer
    x = 447,477.78

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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.