Home / 855,443.26-1,282,581.68-433,906.30

Finding the Fourth Proportional to 855,443.26, 1,282,581.68 and 433,906.30

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Solution

The fourth proportional to 855,443.26, 1,282,581.68 and 433,906.30 is: 650,563.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,443.26 : 1,282,581.68 = 433,906.30 : x
  2. Step 2: Convert to fraction form
    855,443.26/1,282,581.68 = 433,906.30/x
  3. Step 3: Cross multiply
    855,443.26x = 1,282,581.68 × 433,906.30
  4. Step 4: Simplify right side
    855,443.26x = 556,520,271,216.58
  5. Step 5: Solve for x
    x = 556,520,271,216.58/855,443.26
  6. Step 6: Final answer
    x = 650,563.63

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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.