Home / 801,687.52-1,106,315.09-434,161.67

Finding the Fourth Proportional to 801,687.52, 1,106,315.09 and 434,161.67

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Solution

The fourth proportional to 801,687.52, 1,106,315.09 and 434,161.67 is: 599,135.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,687.52 : 1,106,315.09 = 434,161.67 : x
  2. Step 2: Convert to fraction form
    801,687.52/1,106,315.09 = 434,161.67/x
  3. Step 3: Cross multiply
    801,687.52x = 1,106,315.09 × 434,161.67
  4. Step 4: Simplify right side
    801,687.52x = 480,319,603,388.48
  5. Step 5: Solve for x
    x = 480,319,603,388.48/801,687.52
  6. Step 6: Final answer
    x = 599,135.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.