Home / 554,288.48-764,917.80-299,640.14

Finding the Fourth Proportional to 554,288.48, 764,917.80 and 299,640.14

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Solution

The fourth proportional to 554,288.48, 764,917.80 and 299,640.14 is: 413,503.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,288.48 : 764,917.80 = 299,640.14 : x
  2. Step 2: Convert to fraction form
    554,288.48/764,917.80 = 299,640.14/x
  3. Step 3: Cross multiply
    554,288.48x = 764,917.80 × 299,640.14
  4. Step 4: Simplify right side
    554,288.48x = 229,200,076,680.49
  5. Step 5: Solve for x
    x = 229,200,076,680.49/554,288.48
  6. Step 6: Final answer
    x = 413,503.23

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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.