Home / 688,467.24-1,033,105.05-289,077.30

Finding the Fourth Proportional to 688,467.24, 1,033,105.05 and 289,077.30

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Solution

The fourth proportional to 688,467.24, 1,033,105.05 and 289,077.30 is: 433,785.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,467.24 : 1,033,105.05 = 289,077.30 : x
  2. Step 2: Convert to fraction form
    688,467.24/1,033,105.05 = 289,077.30/x
  3. Step 3: Cross multiply
    688,467.24x = 1,033,105.05 × 289,077.30
  4. Step 4: Simplify right side
    688,467.24x = 298,647,218,470.37
  5. Step 5: Solve for x
    x = 298,647,218,470.37/688,467.24
  6. Step 6: Final answer
    x = 433,785.66

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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.