Home / 828,469.50-1,242,150.66-668,741.94

Finding the Fourth Proportional to 828,469.50, 1,242,150.66 and 668,741.94

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Solution

The fourth proportional to 828,469.50, 1,242,150.66 and 668,741.94 is: 1,002,666.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,469.50 : 1,242,150.66 = 668,741.94 : x
  2. Step 2: Convert to fraction form
    828,469.50/1,242,150.66 = 668,741.94/x
  3. Step 3: Cross multiply
    828,469.50x = 1,242,150.66 × 668,741.94
  4. Step 4: Simplify right side
    828,469.50x = 830,678,242,140.68
  5. Step 5: Solve for x
    x = 830,678,242,140.68/828,469.50
  6. Step 6: Final answer
    x = 1,002,666.05

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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.