Home / 764,058.72-1,146,317.04-308,415.36

Finding the Fourth Proportional to 764,058.72, 1,146,317.04 and 308,415.36

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Solution

The fourth proportional to 764,058.72, 1,146,317.04 and 308,415.36 is: 462,715.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,058.72 : 1,146,317.04 = 308,415.36 : x
  2. Step 2: Convert to fraction form
    764,058.72/1,146,317.04 = 308,415.36/x
  3. Step 3: Cross multiply
    764,058.72x = 1,146,317.04 × 308,415.36
  4. Step 4: Simplify right side
    764,058.72x = 353,541,782,565.73
  5. Step 5: Solve for x
    x = 353,541,782,565.73/764,058.72
  6. Step 6: Final answer
    x = 462,715.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.