Home / 825,076.20-1,138,616.82-502,799.88

Finding the Fourth Proportional to 825,076.20, 1,138,616.82 and 502,799.88

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Solution

The fourth proportional to 825,076.20, 1,138,616.82 and 502,799.88 is: 693,870.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,076.20 : 1,138,616.82 = 502,799.88 : x
  2. Step 2: Convert to fraction form
    825,076.20/1,138,616.82 = 502,799.88/x
  3. Step 3: Cross multiply
    825,076.20x = 1,138,616.82 × 502,799.88
  4. Step 4: Simplify right side
    825,076.20x = 572,496,400,461.98
  5. Step 5: Solve for x
    x = 572,496,400,461.98/825,076.20
  6. Step 6: Final answer
    x = 693,870.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.