Home / 518,022.24-777,116.40-218,546.93

Finding the Fourth Proportional to 518,022.24, 777,116.40 and 218,546.93

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Solution

The fourth proportional to 518,022.24, 777,116.40 and 218,546.93 is: 327,855.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,022.24 : 777,116.40 = 218,546.93 : x
  2. Step 2: Convert to fraction form
    518,022.24/777,116.40 = 218,546.93/x
  3. Step 3: Cross multiply
    518,022.24x = 777,116.40 × 218,546.93
  4. Step 4: Simplify right side
    518,022.24x = 169,836,403,472.65
  5. Step 5: Solve for x
    x = 169,836,403,472.65/518,022.24
  6. Step 6: Final answer
    x = 327,855.43

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1.5x scale

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.