Home / 959,324.99-1,438,736.89-285,224.76

Finding the Fourth Proportional to 959,324.99, 1,438,736.89 and 285,224.76

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Solution

The fourth proportional to 959,324.99, 1,438,736.89 and 285,224.76 is: 427,762.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,324.99 : 1,438,736.89 = 285,224.76 : x
  2. Step 2: Convert to fraction form
    959,324.99/1,438,736.89 = 285,224.76/x
  3. Step 3: Cross multiply
    959,324.99x = 1,438,736.89 × 285,224.76
  4. Step 4: Simplify right side
    959,324.99x = 410,363,384,153.40
  5. Step 5: Solve for x
    x = 410,363,384,153.40/959,324.99
  6. Step 6: Final answer
    x = 427,762.63

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1.5x scale

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.