Home / 827,464.40-1,241,542.20-266,670.80

Finding the Fourth Proportional to 827,464.40, 1,241,542.20 and 266,670.80

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Solution

The fourth proportional to 827,464.40, 1,241,542.20 and 266,670.80 is: 400,117.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,464.40 : 1,241,542.20 = 266,670.80 : x
  2. Step 2: Convert to fraction form
    827,464.40/1,241,542.20 = 266,670.80/x
  3. Step 3: Cross multiply
    827,464.40x = 1,241,542.20 × 266,670.80
  4. Step 4: Simplify right side
    827,464.40x = 331,083,051,707.76
  5. Step 5: Solve for x
    x = 331,083,051,707.76/827,464.40
  6. Step 6: Final answer
    x = 400,117.58

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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.