Home / 959,353.46-1,438,779.42-285,253.22

Finding the Fourth Proportional to 959,353.46, 1,438,779.42 and 285,253.22

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Solution

The fourth proportional to 959,353.46, 1,438,779.42 and 285,253.22 is: 427,805.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,353.46 : 1,438,779.42 = 285,253.22 : x
  2. Step 2: Convert to fraction form
    959,353.46/1,438,779.42 = 285,253.22/x
  3. Step 3: Cross multiply
    959,353.46x = 1,438,779.42 × 285,253.22
  4. Step 4: Simplify right side
    959,353.46x = 410,416,462,424.73
  5. Step 5: Solve for x
    x = 410,416,462,424.73/959,353.46
  6. Step 6: Final answer
    x = 427,805.27

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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.