Home / 692,783.64-1,039,204.80-219,458.52

Finding the Fourth Proportional to 692,783.64, 1,039,204.80 and 219,458.52

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Solution

The fourth proportional to 692,783.64, 1,039,204.80 and 219,458.52 is: 329,197.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,783.64 : 1,039,204.80 = 219,458.52 : x
  2. Step 2: Convert to fraction form
    692,783.64/1,039,204.80 = 219,458.52/x
  3. Step 3: Cross multiply
    692,783.64x = 1,039,204.80 × 219,458.52
  4. Step 4: Simplify right side
    692,783.64x = 228,062,347,384.90
  5. Step 5: Solve for x
    x = 228,062,347,384.90/692,783.64
  6. Step 6: Final answer
    x = 329,197.07

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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.