Home / 692,871.18-1,039,394.25-219,387.30

Finding the Fourth Proportional to 692,871.18, 1,039,394.25 and 219,387.30

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Solution

The fourth proportional to 692,871.18, 1,039,394.25 and 219,387.30 is: 329,108.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,871.18 : 1,039,394.25 = 219,387.30 : x
  2. Step 2: Convert to fraction form
    692,871.18/1,039,394.25 = 219,387.30/x
  3. Step 3: Cross multiply
    692,871.18x = 1,039,394.25 × 219,387.30
  4. Step 4: Simplify right side
    692,871.18x = 228,029,898,143.03
  5. Step 5: Solve for x
    x = 228,029,898,143.03/692,871.18
  6. Step 6: Final answer
    x = 329,108.65

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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.