Home / 897,407.92-1,345,819.34-298,208.20

Finding the Fourth Proportional to 897,407.92, 1,345,819.34 and 298,208.20

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Solution

The fourth proportional to 897,407.92, 1,345,819.34 and 298,208.20 is: 447,215.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,407.92 : 1,345,819.34 = 298,208.20 : x
  2. Step 2: Convert to fraction form
    897,407.92/1,345,819.34 = 298,208.20/x
  3. Step 3: Cross multiply
    897,407.92x = 1,345,819.34 × 298,208.20
  4. Step 4: Simplify right side
    897,407.92x = 401,334,362,906.59
  5. Step 5: Solve for x
    x = 401,334,362,906.59/897,407.92
  6. Step 6: Final answer
    x = 447,215.09

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Double scale
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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.