Home / 871,880.39-1,307,845.34-240,794.20

Finding the Fourth Proportional to 871,880.39, 1,307,845.34 and 240,794.20

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Solution

The fourth proportional to 871,880.39, 1,307,845.34 and 240,794.20 is: 361,198.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,880.39 : 1,307,845.34 = 240,794.20 : x
  2. Step 2: Convert to fraction form
    871,880.39/1,307,845.34 = 240,794.20/x
  3. Step 3: Cross multiply
    871,880.39x = 1,307,845.34 × 240,794.20
  4. Step 4: Simplify right side
    871,880.39x = 314,921,572,369.03
  5. Step 5: Solve for x
    x = 314,921,572,369.03/871,880.39
  6. Step 6: Final answer
    x = 361,198.14

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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.