Home / 871,465.45-1,307,195.55-231,768.64

Finding the Fourth Proportional to 871,465.45, 1,307,195.55 and 231,768.64

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Solution

The fourth proportional to 871,465.45, 1,307,195.55 and 231,768.64 is: 347,652.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,465.45 : 1,307,195.55 = 231,768.64 : x
  2. Step 2: Convert to fraction form
    871,465.45/1,307,195.55 = 231,768.64/x
  3. Step 3: Cross multiply
    871,465.45x = 1,307,195.55 × 231,768.64
  4. Step 4: Simplify right side
    871,465.45x = 302,966,934,837.55
  5. Step 5: Solve for x
    x = 302,966,934,837.55/871,465.45
  6. Step 6: Final answer
    x = 347,652.26

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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.