Home / 688,468.16-1,031,963.90-332,993.18

Finding the Fourth Proportional to 688,468.16, 1,031,963.90 and 332,993.18

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Solution

The fourth proportional to 688,468.16, 1,031,963.90 and 332,993.18 is: 499,132.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,468.16 : 1,031,963.90 = 332,993.18 : x
  2. Step 2: Convert to fraction form
    688,468.16/1,031,963.90 = 332,993.18/x
  3. Step 3: Cross multiply
    688,468.16x = 1,031,963.90 × 332,993.18
  4. Step 4: Simplify right side
    688,468.16x = 343,636,935,546.38
  5. Step 5: Solve for x
    x = 343,636,935,546.38/688,468.16
  6. Step 6: Final answer
    x = 499,132.65

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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.