Home / 959,133-1,438,981.44-285,219.48

Finding the Fourth Proportional to 959,133, 1,438,981.44 and 285,219.48

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Solution

The fourth proportional to 959,133, 1,438,981.44 and 285,219.48 is: 427,913.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,133 : 1,438,981.44 = 285,219.48 : x
  2. Step 2: Convert to fraction form
    959,133/1,438,981.44 = 285,219.48/x
  3. Step 3: Cross multiply
    959,133x = 1,438,981.44 × 285,219.48
  4. Step 4: Simplify right side
    959,133x = 410,425,538,046.45
  5. Step 5: Solve for x
    x = 410,425,538,046.45/959,133
  6. Step 6: Final answer
    x = 427,913.06

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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.