Home / 847,234.57-1,271,143.46-531,321.61

Finding the Fourth Proportional to 847,234.57, 1,271,143.46 and 531,321.61

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Solution

The fourth proportional to 847,234.57, 1,271,143.46 and 531,321.61 is: 797,165.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,234.57 : 1,271,143.46 = 531,321.61 : x
  2. Step 2: Convert to fraction form
    847,234.57/1,271,143.46 = 531,321.61/x
  3. Step 3: Cross multiply
    847,234.57x = 1,271,143.46 × 531,321.61
  4. Step 4: Simplify right side
    847,234.57x = 675,385,987,051.56
  5. Step 5: Solve for x
    x = 675,385,987,051.56/847,234.57
  6. Step 6: Final answer
    x = 797,165.28

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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.