Home / 894,676.20-1,342,451.70-421,279.80

Finding the Fourth Proportional to 894,676.20, 1,342,451.70 and 421,279.80

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Solution

The fourth proportional to 894,676.20, 1,342,451.70 and 421,279.80 is: 632,125.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,676.20 : 1,342,451.70 = 421,279.80 : x
  2. Step 2: Convert to fraction form
    894,676.20/1,342,451.70 = 421,279.80/x
  3. Step 3: Cross multiply
    894,676.20x = 1,342,451.70 × 421,279.80
  4. Step 4: Simplify right side
    894,676.20x = 565,547,783,685.66
  5. Step 5: Solve for x
    x = 565,547,783,685.66/894,676.20
  6. Step 6: Final answer
    x = 632,125.66

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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.