Home / 816,871.76-1,225,308.18-255,950

Finding the Fourth Proportional to 816,871.76, 1,225,308.18 and 255,950

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Solution

The fourth proportional to 816,871.76, 1,225,308.18 and 255,950 is: 383,925.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,871.76 : 1,225,308.18 = 255,950 : x
  2. Step 2: Convert to fraction form
    816,871.76/1,225,308.18 = 255,950/x
  3. Step 3: Cross multiply
    816,871.76x = 1,225,308.18 × 255,950
  4. Step 4: Simplify right side
    816,871.76x = 313,617,628,671
  5. Step 5: Solve for x
    x = 313,617,628,671/816,871.76
  6. Step 6: Final answer
    x = 383,925.17

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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.