Home / 692,995.60-1,039,405.80-219,685.60

Finding the Fourth Proportional to 692,995.60, 1,039,405.80 and 219,685.60

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Solution

The fourth proportional to 692,995.60, 1,039,405.80 and 219,685.60 is: 329,500.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,995.60 : 1,039,405.80 = 219,685.60 : x
  2. Step 2: Convert to fraction form
    692,995.60/1,039,405.80 = 219,685.60/x
  3. Step 3: Cross multiply
    692,995.60x = 1,039,405.80 × 219,685.60
  4. Step 4: Simplify right side
    692,995.60x = 228,342,486,816.48
  5. Step 5: Solve for x
    x = 228,342,486,816.48/692,995.60
  6. Step 6: Final answer
    x = 329,500.63

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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.