Home / 873,882.18-1,310,964.22-258,448.50

Finding the Fourth Proportional to 873,882.18, 1,310,964.22 and 258,448.50

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Solution

The fourth proportional to 873,882.18, 1,310,964.22 and 258,448.50 is: 387,714.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,882.18 : 1,310,964.22 = 258,448.50 : x
  2. Step 2: Convert to fraction form
    873,882.18/1,310,964.22 = 258,448.50/x
  3. Step 3: Cross multiply
    873,882.18x = 1,310,964.22 × 258,448.50
  4. Step 4: Simplify right side
    873,882.18x = 338,816,736,212.67
  5. Step 5: Solve for x
    x = 338,816,736,212.67/873,882.18
  6. Step 6: Final answer
    x = 387,714.44

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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.