Home / 690,699.04-1,036,107.20-192,063.04

Finding the Fourth Proportional to 690,699.04, 1,036,107.20 and 192,063.04

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Solution

The fourth proportional to 690,699.04, 1,036,107.20 and 192,063.04 is: 288,110.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,699.04 : 1,036,107.20 = 192,063.04 : x
  2. Step 2: Convert to fraction form
    690,699.04/1,036,107.20 = 192,063.04/x
  3. Step 3: Cross multiply
    690,699.04x = 1,036,107.20 × 192,063.04
  4. Step 4: Simplify right side
    690,699.04x = 198,997,898,597.89
  5. Step 5: Solve for x
    x = 198,997,898,597.89/690,699.04
  6. Step 6: Final answer
    x = 288,110.87

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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.