Home / 790,436.82-1,091,431.60-729,985.34

Finding the Fourth Proportional to 790,436.82, 1,091,431.60 and 729,985.34

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Solution

The fourth proportional to 790,436.82, 1,091,431.60 and 729,985.34 is: 1,007,960.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,436.82 : 1,091,431.60 = 729,985.34 : x
  2. Step 2: Convert to fraction form
    790,436.82/1,091,431.60 = 729,985.34/x
  3. Step 3: Cross multiply
    790,436.82x = 1,091,431.60 × 729,985.34
  4. Step 4: Simplify right side
    790,436.82x = 796,729,067,612.74
  5. Step 5: Solve for x
    x = 796,729,067,612.74/790,436.82
  6. Step 6: Final answer
    x = 1,007,960.47

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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.