Home / 676,229.72-1,014,479.84-220,851.16

Finding the Fourth Proportional to 676,229.72, 1,014,479.84 and 220,851.16

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Solution

The fourth proportional to 676,229.72, 1,014,479.84 and 220,851.16 is: 331,320.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,229.72 : 1,014,479.84 = 220,851.16 : x
  2. Step 2: Convert to fraction form
    676,229.72/1,014,479.84 = 220,851.16/x
  3. Step 3: Cross multiply
    676,229.72x = 1,014,479.84 × 220,851.16
  4. Step 4: Simplify right side
    676,229.72x = 224,049,047,476.54
  5. Step 5: Solve for x
    x = 224,049,047,476.54/676,229.72
  6. Step 6: Final answer
    x = 331,320.91

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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.