Home / 879,420.64-1,318,981.92-248,186.56

Finding the Fourth Proportional to 879,420.64, 1,318,981.92 and 248,186.56

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Solution

The fourth proportional to 879,420.64, 1,318,981.92 and 248,186.56 is: 372,237.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,420.64 : 1,318,981.92 = 248,186.56 : x
  2. Step 2: Convert to fraction form
    879,420.64/1,318,981.92 = 248,186.56/x
  3. Step 3: Cross multiply
    879,420.64x = 1,318,981.92 × 248,186.56
  4. Step 4: Simplify right side
    879,420.64x = 327,353,585,427.00
  5. Step 5: Solve for x
    x = 327,353,585,427.00/879,420.64
  6. Step 6: Final answer
    x = 372,237.78

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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.