Home / 676,387.66-1,014,594.43-220,980.15

Finding the Fourth Proportional to 676,387.66, 1,014,594.43 and 220,980.15

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Solution

The fourth proportional to 676,387.66, 1,014,594.43 and 220,980.15 is: 331,474.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,387.66 : 1,014,594.43 = 220,980.15 : x
  2. Step 2: Convert to fraction form
    676,387.66/1,014,594.43 = 220,980.15/x
  3. Step 3: Cross multiply
    676,387.66x = 1,014,594.43 × 220,980.15
  4. Step 4: Simplify right side
    676,387.66x = 224,205,229,330.57
  5. Step 5: Solve for x
    x = 224,205,229,330.57/676,387.66
  6. Step 6: Final answer
    x = 331,474.45

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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.