Home / 814,613.24-1,221,928.82-245,999.16

Finding the Fourth Proportional to 814,613.24, 1,221,928.82 and 245,999.16

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Solution

The fourth proportional to 814,613.24, 1,221,928.82 and 245,999.16 is: 369,001.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,613.24 : 1,221,928.82 = 245,999.16 : x
  2. Step 2: Convert to fraction form
    814,613.24/1,221,928.82 = 245,999.16/x
  3. Step 3: Cross multiply
    814,613.24x = 1,221,928.82 × 245,999.16
  4. Step 4: Simplify right side
    814,613.24x = 300,593,463,299.79
  5. Step 5: Solve for x
    x = 300,593,463,299.79/814,613.24
  6. Step 6: Final answer
    x = 369,001.45

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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.