Home / 862,563.78-1,190,346.06-475,393.02

Finding the Fourth Proportional to 862,563.78, 1,190,346.06 and 475,393.02

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Solution

The fourth proportional to 862,563.78, 1,190,346.06 and 475,393.02 is: 656,046.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,563.78 : 1,190,346.06 = 475,393.02 : x
  2. Step 2: Convert to fraction form
    862,563.78/1,190,346.06 = 475,393.02/x
  3. Step 3: Cross multiply
    862,563.78x = 1,190,346.06 × 475,393.02
  4. Step 4: Simplify right side
    862,563.78x = 565,882,208,308.50
  5. Step 5: Solve for x
    x = 565,882,208,308.50/862,563.78
  6. Step 6: Final answer
    x = 656,046.80

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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.