Home / 894,855.72-1,234,926.86-486,983.88

Finding the Fourth Proportional to 894,855.72, 1,234,926.86 and 486,983.88

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Solution

The fourth proportional to 894,855.72, 1,234,926.86 and 486,983.88 is: 672,051.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,855.72 : 1,234,926.86 = 486,983.88 : x
  2. Step 2: Convert to fraction form
    894,855.72/1,234,926.86 = 486,983.88/x
  3. Step 3: Cross multiply
    894,855.72x = 1,234,926.86 × 486,983.88
  4. Step 4: Simplify right side
    894,855.72x = 601,389,473,799.02
  5. Step 5: Solve for x
    x = 601,389,473,799.02/894,855.72
  6. Step 6: Final answer
    x = 672,051.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.