Home / 684,977.08-945,234.84-379,047.92

Finding the Fourth Proportional to 684,977.08, 945,234.84 and 379,047.92

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Solution

The fourth proportional to 684,977.08, 945,234.84 and 379,047.92 is: 523,067.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,977.08 : 945,234.84 = 379,047.92 : x
  2. Step 2: Convert to fraction form
    684,977.08/945,234.84 = 379,047.92/x
  3. Step 3: Cross multiply
    684,977.08x = 945,234.84 × 379,047.92
  4. Step 4: Simplify right side
    684,977.08x = 358,289,300,013.53
  5. Step 5: Solve for x
    x = 358,289,300,013.53/684,977.08
  6. Step 6: Final answer
    x = 523,067.57

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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.