Home / 647,664.84-971,562.04-198,380.52

Finding the Fourth Proportional to 647,664.84, 971,562.04 and 198,380.52

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Solution

The fourth proportional to 647,664.84, 971,562.04 and 198,380.52 is: 297,590.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,664.84 : 971,562.04 = 198,380.52 : x
  2. Step 2: Convert to fraction form
    647,664.84/971,562.04 = 198,380.52/x
  3. Step 3: Cross multiply
    647,664.84x = 971,562.04 × 198,380.52
  4. Step 4: Simplify right side
    647,664.84x = 192,738,982,707.46
  5. Step 5: Solve for x
    x = 192,738,982,707.46/647,664.84
  6. Step 6: Final answer
    x = 297,590.62

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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.