Home / 971,205.90-1,456,941.78-331,337.85

Finding the Fourth Proportional to 971,205.90, 1,456,941.78 and 331,337.85

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Solution

The fourth proportional to 971,205.90, 1,456,941.78 and 331,337.85 is: 497,052.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,205.90 : 1,456,941.78 = 331,337.85 : x
  2. Step 2: Convert to fraction form
    971,205.90/1,456,941.78 = 331,337.85/x
  3. Step 3: Cross multiply
    971,205.90x = 1,456,941.78 × 331,337.85
  4. Step 4: Simplify right side
    971,205.90x = 482,739,956,960.37
  5. Step 5: Solve for x
    x = 482,739,956,960.37/971,205.90
  6. Step 6: Final answer
    x = 497,052.13

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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.