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Finding the Fourth Proportional to 452,512.35, 679,054.38 and 252,963.63

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Solution

The fourth proportional to 452,512.35, 679,054.38 and 252,963.63 is: 379,605.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,512.35 : 679,054.38 = 252,963.63 : x
  2. Step 2: Convert to fraction form
    452,512.35/679,054.38 = 252,963.63/x
  3. Step 3: Cross multiply
    452,512.35x = 679,054.38 × 252,963.63
  4. Step 4: Simplify right side
    452,512.35x = 171,776,060,932.20
  5. Step 5: Solve for x
    x = 171,776,060,932.20/452,512.35
  6. Step 6: Final answer
    x = 379,605.24

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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.