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Finding the Fourth Proportional to 518,772.41, 777,932.61 and 275,560.26

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Solution

The fourth proportional to 518,772.41, 777,932.61 and 275,560.26 is: 413,220.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,772.41 : 777,932.61 = 275,560.26 : x
  2. Step 2: Convert to fraction form
    518,772.41/777,932.61 = 275,560.26/x
  3. Step 3: Cross multiply
    518,772.41x = 777,932.61 × 275,560.26
  4. Step 4: Simplify right side
    518,772.41x = 214,367,308,384.42
  5. Step 5: Solve for x
    x = 214,367,308,384.42/518,772.41
  6. Step 6: Final answer
    x = 413,220.34

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1.5x scale

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.