Home / 513,753.44-709,122.40-298,935.16

Finding the Fourth Proportional to 513,753.44, 709,122.40 and 298,935.16

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Solution

The fourth proportional to 513,753.44, 709,122.40 and 298,935.16 is: 412,613.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,753.44 : 709,122.40 = 298,935.16 : x
  2. Step 2: Convert to fraction form
    513,753.44/709,122.40 = 298,935.16/x
  3. Step 3: Cross multiply
    513,753.44x = 709,122.40 × 298,935.16
  4. Step 4: Simplify right side
    513,753.44x = 211,981,615,583.44
  5. Step 5: Solve for x
    x = 211,981,615,583.44/513,753.44
  6. Step 6: Final answer
    x = 412,613.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.