Home / 524,739.46-787,165.43-145,661.79

Finding the Fourth Proportional to 524,739.46, 787,165.43 and 145,661.79

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Solution

The fourth proportional to 524,739.46, 787,165.43 and 145,661.79 is: 218,508.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,739.46 : 787,165.43 = 145,661.79 : x
  2. Step 2: Convert to fraction form
    524,739.46/787,165.43 = 145,661.79/x
  3. Step 3: Cross multiply
    524,739.46x = 787,165.43 × 145,661.79
  4. Step 4: Simplify right side
    524,739.46x = 114,659,925,559.92
  5. Step 5: Solve for x
    x = 114,659,925,559.92/524,739.46
  6. Step 6: Final answer
    x = 218,508.30

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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.