Home / 692,945.76-1,039,418.61-219,631.08

Finding the Fourth Proportional to 692,945.76, 1,039,418.61 and 219,631.08

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Solution

The fourth proportional to 692,945.76, 1,039,418.61 and 219,631.08 is: 329,446.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,945.76 : 1,039,418.61 = 219,631.08 : x
  2. Step 2: Convert to fraction form
    692,945.76/1,039,418.61 = 219,631.08/x
  3. Step 3: Cross multiply
    692,945.76x = 1,039,418.61 × 219,631.08
  4. Step 4: Simplify right side
    692,945.76x = 228,288,631,886.40
  5. Step 5: Solve for x
    x = 228,288,631,886.40/692,945.76
  6. Step 6: Final answer
    x = 329,446.61

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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.