Home / 921,658.20-1,382,633.12-322,604.88

Finding the Fourth Proportional to 921,658.20, 1,382,633.12 and 322,604.88

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Solution

The fourth proportional to 921,658.20, 1,382,633.12 and 322,604.88 is: 483,958.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,658.20 : 1,382,633.12 = 322,604.88 : x
  2. Step 2: Convert to fraction form
    921,658.20/1,382,633.12 = 322,604.88/x
  3. Step 3: Cross multiply
    921,658.20x = 1,382,633.12 × 322,604.88
  4. Step 4: Simplify right side
    921,658.20x = 446,044,191,761.63
  5. Step 5: Solve for x
    x = 446,044,191,761.63/921,658.20
  6. Step 6: Final answer
    x = 483,958.36

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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.