Home / 949,721-1,424,581.50-284,873

Finding the Fourth Proportional to 949,721, 1,424,581.50 and 284,873

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Solution

The fourth proportional to 949,721, 1,424,581.50 and 284,873 is: 427,309.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,721 : 1,424,581.50 = 284,873 : x
  2. Step 2: Convert to fraction form
    949,721/1,424,581.50 = 284,873/x
  3. Step 3: Cross multiply
    949,721x = 1,424,581.50 × 284,873
  4. Step 4: Simplify right side
    949,721x = 405,824,805,649.50
  5. Step 5: Solve for x
    x = 405,824,805,649.50/949,721
  6. Step 6: Final answer
    x = 427,309.50

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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.