Home / 692,666.88-1,039,003.20-219,684.48

Finding the Fourth Proportional to 692,666.88, 1,039,003.20 and 219,684.48

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Solution

The fourth proportional to 692,666.88, 1,039,003.20 and 219,684.48 is: 329,527.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,666.88 : 1,039,003.20 = 219,684.48 : x
  2. Step 2: Convert to fraction form
    692,666.88/1,039,003.20 = 219,684.48/x
  3. Step 3: Cross multiply
    692,666.88x = 1,039,003.20 × 219,684.48
  4. Step 4: Simplify right side
    692,666.88x = 228,252,877,710.34
  5. Step 5: Solve for x
    x = 228,252,877,710.34/692,666.88
  6. Step 6: Final answer
    x = 329,527.63

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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.