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Finding the Fourth Proportional to 554,750.40, 765,552.96 and 300,099.36

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Solution

The fourth proportional to 554,750.40, 765,552.96 and 300,099.36 is: 414,135.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,750.40 : 765,552.96 = 300,099.36 : x
  2. Step 2: Convert to fraction form
    554,750.40/765,552.96 = 300,099.36/x
  3. Step 3: Cross multiply
    554,750.40x = 765,552.96 × 300,099.36
  4. Step 4: Simplify right side
    554,750.40x = 229,741,953,342.11
  5. Step 5: Solve for x
    x = 229,741,953,342.11/554,750.40
  6. Step 6: Final answer
    x = 414,135.71

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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.