Home / 902,428.29-1,353,645.51-228,509.27

Finding the Fourth Proportional to 902,428.29, 1,353,645.51 and 228,509.27

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Solution

The fourth proportional to 902,428.29, 1,353,645.51 and 228,509.27 is: 342,764.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,428.29 : 1,353,645.51 = 228,509.27 : x
  2. Step 2: Convert to fraction form
    902,428.29/1,353,645.51 = 228,509.27/x
  3. Step 3: Cross multiply
    902,428.29x = 1,353,645.51 × 228,509.27
  4. Step 4: Simplify right side
    902,428.29x = 309,320,544,779.91
  5. Step 5: Solve for x
    x = 309,320,544,779.91/902,428.29
  6. Step 6: Final answer
    x = 342,764.68

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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.