Home / 906,703.92-1,359,939.21-307,640.88

Finding the Fourth Proportional to 906,703.92, 1,359,939.21 and 307,640.88

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Solution

The fourth proportional to 906,703.92, 1,359,939.21 and 307,640.88 is: 461,421.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,703.92 : 1,359,939.21 = 307,640.88 : x
  2. Step 2: Convert to fraction form
    906,703.92/1,359,939.21 = 307,640.88/x
  3. Step 3: Cross multiply
    906,703.92x = 1,359,939.21 × 307,640.88
  4. Step 4: Simplify right side
    906,703.92x = 418,372,895,310.91
  5. Step 5: Solve for x
    x = 418,372,895,310.91/906,703.92
  6. Step 6: Final answer
    x = 461,421.73

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1.5x scale

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.