Home / 827,268.90-1,240,903.35-407,364.90

Finding the Fourth Proportional to 827,268.90, 1,240,903.35 and 407,364.90

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Solution

The fourth proportional to 827,268.90, 1,240,903.35 and 407,364.90 is: 611,047.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,268.90 : 1,240,903.35 = 407,364.90 : x
  2. Step 2: Convert to fraction form
    827,268.90/1,240,903.35 = 407,364.90/x
  3. Step 3: Cross multiply
    827,268.90x = 1,240,903.35 × 407,364.90
  4. Step 4: Simplify right side
    827,268.90x = 505,500,469,082.42
  5. Step 5: Solve for x
    x = 505,500,469,082.42/827,268.90
  6. Step 6: Final answer
    x = 611,047.35

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Similar ratio
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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.