Home / 692,967.23-1,039,488.09-219,689.49

Finding the Fourth Proportional to 692,967.23, 1,039,488.09 and 219,689.49

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Solution

The fourth proportional to 692,967.23, 1,039,488.09 and 219,689.49 is: 329,546.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,967.23 : 1,039,488.09 = 219,689.49 : x
  2. Step 2: Convert to fraction form
    692,967.23/1,039,488.09 = 219,689.49/x
  3. Step 3: Cross multiply
    692,967.23x = 1,039,488.09 × 219,689.49
  4. Step 4: Simplify right side
    692,967.23x = 228,364,608,353.17
  5. Step 5: Solve for x
    x = 228,364,608,353.17/692,967.23
  6. Step 6: Final answer
    x = 329,546.05

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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.