Home / 805,387.16-1,208,087.86-244,421.56

Finding the Fourth Proportional to 805,387.16, 1,208,087.86 and 244,421.56

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Solution

The fourth proportional to 805,387.16, 1,208,087.86 and 244,421.56 is: 366,634.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,387.16 : 1,208,087.86 = 244,421.56 : x
  2. Step 2: Convert to fraction form
    805,387.16/1,208,087.86 = 244,421.56/x
  3. Step 3: Cross multiply
    805,387.16x = 1,208,087.86 × 244,421.56
  4. Step 4: Simplify right side
    805,387.16x = 295,282,719,358.26
  5. Step 5: Solve for x
    x = 295,282,719,358.26/805,387.16
  6. Step 6: Final answer
    x = 366,634.50

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Double scale
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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.