Home / 816,868.76-1,225,303.68-255,947

Finding the Fourth Proportional to 816,868.76, 1,225,303.68 and 255,947

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Solution

The fourth proportional to 816,868.76, 1,225,303.68 and 255,947 is: 383,920.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,868.76 : 1,225,303.68 = 255,947 : x
  2. Step 2: Convert to fraction form
    816,868.76/1,225,303.68 = 255,947/x
  3. Step 3: Cross multiply
    816,868.76x = 1,225,303.68 × 255,947
  4. Step 4: Simplify right side
    816,868.76x = 313,612,800,984.96
  5. Step 5: Solve for x
    x = 313,612,800,984.96/816,868.76
  6. Step 6: Final answer
    x = 383,920.67

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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.