Home / 554,279-764,906.14-299,630.16

Finding the Fourth Proportional to 554,279, 764,906.14 and 299,630.16

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Solution

The fourth proportional to 554,279, 764,906.14 and 299,630.16 is: 413,490.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,279 : 764,906.14 = 299,630.16 : x
  2. Step 2: Convert to fraction form
    554,279/764,906.14 = 299,630.16/x
  3. Step 3: Cross multiply
    554,279x = 764,906.14 × 299,630.16
  4. Step 4: Simplify right side
    554,279x = 229,188,949,113.18
  5. Step 5: Solve for x
    x = 229,188,949,113.18/554,279
  6. Step 6: Final answer
    x = 413,490.23

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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.