Home / 688,467.66-1,031,963.15-332,992.68

Finding the Fourth Proportional to 688,467.66, 1,031,963.15 and 332,992.68

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Solution

The fourth proportional to 688,467.66, 1,031,963.15 and 332,992.68 is: 499,131.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,467.66 : 1,031,963.15 = 332,992.68 : x
  2. Step 2: Convert to fraction form
    688,467.66/1,031,963.15 = 332,992.68/x
  3. Step 3: Cross multiply
    688,467.66x = 1,031,963.15 × 332,992.68
  4. Step 4: Simplify right side
    688,467.66x = 343,636,174,979.74
  5. Step 5: Solve for x
    x = 343,636,174,979.74/688,467.66
  6. Step 6: Final answer
    x = 499,131.91

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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.