Home / 816,864.83-1,225,297.78-255,943.07

Finding the Fourth Proportional to 816,864.83, 1,225,297.78 and 255,943.07

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Solution

The fourth proportional to 816,864.83, 1,225,297.78 and 255,943.07 is: 383,914.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,864.83 : 1,225,297.78 = 255,943.07 : x
  2. Step 2: Convert to fraction form
    816,864.83/1,225,297.78 = 255,943.07/x
  3. Step 3: Cross multiply
    816,864.83x = 1,225,297.78 × 255,943.07
  4. Step 4: Simplify right side
    816,864.83x = 313,606,468,071.18
  5. Step 5: Solve for x
    x = 313,606,468,071.18/816,864.83
  6. Step 6: Final answer
    x = 383,914.77

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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.