Home / 554,290.98-764,921.25-299,642.64

Finding the Fourth Proportional to 554,290.98, 764,921.25 and 299,642.64

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Solution

The fourth proportional to 554,290.98, 764,921.25 and 299,642.64 is: 413,506.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,290.98 : 764,921.25 = 299,642.64 : x
  2. Step 2: Convert to fraction form
    554,290.98/764,921.25 = 299,642.64/x
  3. Step 3: Cross multiply
    554,290.98x = 764,921.25 × 299,642.64
  4. Step 4: Simplify right side
    554,290.98x = 229,203,022,742.10
  5. Step 5: Solve for x
    x = 229,203,022,742.10/554,290.98
  6. Step 6: Final answer
    x = 413,506.68

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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.