Home / 436,769.64-655,263.24-347,150.46

Finding the Fourth Proportional to 436,769.64, 655,263.24 and 347,150.46

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Solution

The fourth proportional to 436,769.64, 655,263.24 and 347,150.46 is: 520,812.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,769.64 : 655,263.24 = 347,150.46 : x
  2. Step 2: Convert to fraction form
    436,769.64/655,263.24 = 347,150.46/x
  3. Step 3: Cross multiply
    436,769.64x = 655,263.24 × 347,150.46
  4. Step 4: Simplify right side
    436,769.64x = 227,474,935,187.09
  5. Step 5: Solve for x
    x = 227,474,935,187.09/436,769.64
  6. Step 6: Final answer
    x = 520,812.15

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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.