Home / 897,402.90-1,345,811.85-298,203.18

Finding the Fourth Proportional to 897,402.90, 1,345,811.85 and 298,203.18

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Solution

The fourth proportional to 897,402.90, 1,345,811.85 and 298,203.18 is: 447,207.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,402.90 : 1,345,811.85 = 298,203.18 : x
  2. Step 2: Convert to fraction form
    897,402.90/1,345,811.85 = 298,203.18/x
  3. Step 3: Cross multiply
    897,402.90x = 1,345,811.85 × 298,203.18
  4. Step 4: Simplify right side
    897,402.90x = 401,325,373,351.68
  5. Step 5: Solve for x
    x = 401,325,373,351.68/897,402.90
  6. Step 6: Final answer
    x = 447,207.57

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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.