Home / 871,911.28-1,307,941.98-240,825.16

Finding the Fourth Proportional to 871,911.28, 1,307,941.98 and 240,825.16

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Solution

The fourth proportional to 871,911.28, 1,307,941.98 and 240,825.16 is: 361,258.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,911.28 : 1,307,941.98 = 240,825.16 : x
  2. Step 2: Convert to fraction form
    871,911.28/1,307,941.98 = 240,825.16/x
  3. Step 3: Cross multiply
    871,911.28x = 1,307,941.98 × 240,825.16
  4. Step 4: Simplify right side
    871,911.28x = 314,985,336,604.22
  5. Step 5: Solve for x
    x = 314,985,336,604.22/871,911.28
  6. Step 6: Final answer
    x = 361,258.47

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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.