Home / 894,853.72-1,234,924.10-486,981.88

Finding the Fourth Proportional to 894,853.72, 1,234,924.10 and 486,981.88

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Solution

The fourth proportional to 894,853.72, 1,234,924.10 and 486,981.88 is: 672,049.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,853.72 : 1,234,924.10 = 486,981.88 : x
  2. Step 2: Convert to fraction form
    894,853.72/1,234,924.10 = 486,981.88/x
  3. Step 3: Cross multiply
    894,853.72x = 1,234,924.10 × 486,981.88
  4. Step 4: Simplify right side
    894,853.72x = 601,385,659,875.31
  5. Step 5: Solve for x
    x = 601,385,659,875.31/894,853.72
  6. Step 6: Final answer
    x = 672,049.13

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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.