Home / 809,098.40-1,213,889.16-240,498.56

Finding the Fourth Proportional to 809,098.40, 1,213,889.16 and 240,498.56

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Solution

The fourth proportional to 809,098.40, 1,213,889.16 and 240,498.56 is: 360,819.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,098.40 : 1,213,889.16 = 240,498.56 : x
  2. Step 2: Convert to fraction form
    809,098.40/1,213,889.16 = 240,498.56/x
  3. Step 3: Cross multiply
    809,098.40x = 1,213,889.16 × 240,498.56
  4. Step 4: Simplify right side
    809,098.40x = 291,938,594,979.61
  5. Step 5: Solve for x
    x = 291,938,594,979.61/809,098.40
  6. Step 6: Final answer
    x = 360,819.64

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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.