Home / 698,045.10-1,047,067.65-199,409.10

Finding the Fourth Proportional to 698,045.10, 1,047,067.65 and 199,409.10

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Solution

The fourth proportional to 698,045.10, 1,047,067.65 and 199,409.10 is: 299,113.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,045.10 : 1,047,067.65 = 199,409.10 : x
  2. Step 2: Convert to fraction form
    698,045.10/1,047,067.65 = 199,409.10/x
  3. Step 3: Cross multiply
    698,045.10x = 1,047,067.65 × 199,409.10
  4. Step 4: Simplify right side
    698,045.10x = 208,794,817,725.62
  5. Step 5: Solve for x
    x = 208,794,817,725.62/698,045.10
  6. Step 6: Final answer
    x = 299,113.65

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Similar ratio
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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.