Home / 542,819.88-749,088.68-301,099.95

Finding the Fourth Proportional to 542,819.88, 749,088.68 and 301,099.95

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Solution

The fourth proportional to 542,819.88, 749,088.68 and 301,099.95 is: 415,516.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,819.88 : 749,088.68 = 301,099.95 : x
  2. Step 2: Convert to fraction form
    542,819.88/749,088.68 = 301,099.95/x
  3. Step 3: Cross multiply
    542,819.88x = 749,088.68 × 301,099.95
  4. Step 4: Simplify right side
    542,819.88x = 225,550,562,588.07
  5. Step 5: Solve for x
    x = 225,550,562,588.07/542,819.88
  6. Step 6: Final answer
    x = 415,516.40

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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.