Home / 871,937.25-1,307,981.81-240,851.67

Finding the Fourth Proportional to 871,937.25, 1,307,981.81 and 240,851.67

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Solution

The fourth proportional to 871,937.25, 1,307,981.81 and 240,851.67 is: 361,298.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,937.25 : 1,307,981.81 = 240,851.67 : x
  2. Step 2: Convert to fraction form
    871,937.25/1,307,981.81 = 240,851.67/x
  3. Step 3: Cross multiply
    871,937.25x = 1,307,981.81 × 240,851.67
  4. Step 4: Simplify right side
    871,937.25x = 315,029,603,268.12
  5. Step 5: Solve for x
    x = 315,029,603,268.12/871,937.25
  6. Step 6: Final answer
    x = 361,298.48

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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.