Home / 692,701.20-1,039,192.20-393,325.20

Finding the Fourth Proportional to 692,701.20, 1,039,192.20 and 393,325.20

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Solution

The fourth proportional to 692,701.20, 1,039,192.20 and 393,325.20 is: 590,067.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,701.20 : 1,039,192.20 = 393,325.20 : x
  2. Step 2: Convert to fraction form
    692,701.20/1,039,192.20 = 393,325.20/x
  3. Step 3: Cross multiply
    692,701.20x = 1,039,192.20 × 393,325.20
  4. Step 4: Simplify right side
    692,701.20x = 408,740,479,903.44
  5. Step 5: Solve for x
    x = 408,740,479,903.44/692,701.20
  6. Step 6: Final answer
    x = 590,067.52

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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.