Home / 764,485.41-1,146,011.92-258,692.29

Finding the Fourth Proportional to 764,485.41, 1,146,011.92 and 258,692.29

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Solution

The fourth proportional to 764,485.41, 1,146,011.92 and 258,692.29 is: 387,796.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,485.41 : 1,146,011.92 = 258,692.29 : x
  2. Step 2: Convert to fraction form
    764,485.41/1,146,011.92 = 258,692.29/x
  3. Step 3: Cross multiply
    764,485.41x = 1,146,011.92 × 258,692.29
  4. Step 4: Simplify right side
    764,485.41x = 296,464,442,347.65
  5. Step 5: Solve for x
    x = 296,464,442,347.65/764,485.41
  6. Step 6: Final answer
    x = 387,796.07

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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.