Home / 808,286.53-1,212,429.59-275,807.51

Finding the Fourth Proportional to 808,286.53, 1,212,429.59 and 275,807.51

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Solution

The fourth proportional to 808,286.53, 1,212,429.59 and 275,807.51 is: 413,711.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,286.53 : 1,212,429.59 = 275,807.51 : x
  2. Step 2: Convert to fraction form
    808,286.53/1,212,429.59 = 275,807.51/x
  3. Step 3: Cross multiply
    808,286.53x = 1,212,429.59 × 275,807.51
  4. Step 4: Simplify right side
    808,286.53x = 334,397,184,889.18
  5. Step 5: Solve for x
    x = 334,397,184,889.18/808,286.53
  6. Step 6: Final answer
    x = 413,711.20

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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.