Home / 561,515.05-842,360.04-336,822.67

Finding the Fourth Proportional to 561,515.05, 842,360.04 and 336,822.67

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Solution

The fourth proportional to 561,515.05, 842,360.04 and 336,822.67 is: 505,286.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,515.05 : 842,360.04 = 336,822.67 : x
  2. Step 2: Convert to fraction form
    561,515.05/842,360.04 = 336,822.67/x
  3. Step 3: Cross multiply
    561,515.05x = 842,360.04 × 336,822.67
  4. Step 4: Simplify right side
    561,515.05x = 283,725,957,774.11
  5. Step 5: Solve for x
    x = 283,725,957,774.11/561,515.05
  6. Step 6: Final answer
    x = 505,286.47

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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.