Home / 698,150.80-1,047,205.34-192,742.62

Finding the Fourth Proportional to 698,150.80, 1,047,205.34 and 192,742.62

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Solution

The fourth proportional to 698,150.80, 1,047,205.34 and 192,742.62 is: 289,108.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,150.80 : 1,047,205.34 = 192,742.62 : x
  2. Step 2: Convert to fraction form
    698,150.80/1,047,205.34 = 192,742.62/x
  3. Step 3: Cross multiply
    698,150.80x = 1,047,205.34 × 192,742.62
  4. Step 4: Simplify right side
    698,150.80x = 201,841,103,716.35
  5. Step 5: Solve for x
    x = 201,841,103,716.35/698,150.80
  6. Step 6: Final answer
    x = 289,108.18

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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.