Home / 828,739.08-1,243,108.62-548,190.72

Finding the Fourth Proportional to 828,739.08, 1,243,108.62 and 548,190.72

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Solution

The fourth proportional to 828,739.08, 1,243,108.62 and 548,190.72 is: 822,286.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,739.08 : 1,243,108.62 = 548,190.72 : x
  2. Step 2: Convert to fraction form
    828,739.08/1,243,108.62 = 548,190.72/x
  3. Step 3: Cross multiply
    828,739.08x = 1,243,108.62 × 548,190.72
  4. Step 4: Simplify right side
    828,739.08x = 681,460,609,436.01
  5. Step 5: Solve for x
    x = 681,460,609,436.01/828,739.08
  6. Step 6: Final answer
    x = 822,286.08

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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.