Home / 663,264.02-994,780.51-213,984.86

Finding the Fourth Proportional to 663,264.02, 994,780.51 and 213,984.86

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Solution

The fourth proportional to 663,264.02, 994,780.51 and 213,984.86 is: 320,940.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,264.02 : 994,780.51 = 213,984.86 : x
  2. Step 2: Convert to fraction form
    663,264.02/994,780.51 = 213,984.86/x
  3. Step 3: Cross multiply
    663,264.02x = 994,780.51 × 213,984.86
  4. Step 4: Simplify right side
    663,264.02x = 212,867,962,654.21
  5. Step 5: Solve for x
    x = 212,867,962,654.21/663,264.02
  6. Step 6: Final answer
    x = 320,940.01

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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.