Home / 554,944.60-765,825.57-300,295.79

Finding the Fourth Proportional to 554,944.60, 765,825.57 and 300,295.79

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Solution

The fourth proportional to 554,944.60, 765,825.57 and 300,295.79 is: 414,409.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,944.60 : 765,825.57 = 300,295.79 : x
  2. Step 2: Convert to fraction form
    554,944.60/765,825.57 = 300,295.79/x
  3. Step 3: Cross multiply
    554,944.60x = 765,825.57 × 300,295.79
  4. Step 4: Simplify right side
    554,944.60x = 229,974,191,880.05
  5. Step 5: Solve for x
    x = 229,974,191,880.05/554,944.60
  6. Step 6: Final answer
    x = 414,409.28

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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.