Home / 667,485.19-1,000,527.94-312,199.75

Finding the Fourth Proportional to 667,485.19, 1,000,527.94 and 312,199.75

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Solution

The fourth proportional to 667,485.19, 1,000,527.94 and 312,199.75 is: 467,972.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,485.19 : 1,000,527.94 = 312,199.75 : x
  2. Step 2: Convert to fraction form
    667,485.19/1,000,527.94 = 312,199.75/x
  3. Step 3: Cross multiply
    667,485.19x = 1,000,527.94 × 312,199.75
  4. Step 4: Simplify right side
    667,485.19x = 312,364,572,736.02
  5. Step 5: Solve for x
    x = 312,364,572,736.02/667,485.19
  6. Step 6: Final answer
    x = 467,972.29

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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.