Home / 692,962.72-1,039,481.34-219,684.98

Finding the Fourth Proportional to 692,962.72, 1,039,481.34 and 219,684.98

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Solution

The fourth proportional to 692,962.72, 1,039,481.34 and 219,684.98 is: 329,539.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,962.72 : 1,039,481.34 = 219,684.98 : x
  2. Step 2: Convert to fraction form
    692,962.72/1,039,481.34 = 219,684.98/x
  3. Step 3: Cross multiply
    692,962.72x = 1,039,481.34 × 219,684.98
  4. Step 4: Simplify right side
    692,962.72x = 228,358,439,163.16
  5. Step 5: Solve for x
    x = 228,358,439,163.16/692,962.72
  6. Step 6: Final answer
    x = 329,539.29

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1.5x scale

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.