Home / 509,739.18-764,559.41-154,756.27

Finding the Fourth Proportional to 509,739.18, 764,559.41 and 154,756.27

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Solution

The fourth proportional to 509,739.18, 764,559.41 and 154,756.27 is: 232,119.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,739.18 : 764,559.41 = 154,756.27 : x
  2. Step 2: Convert to fraction form
    509,739.18/764,559.41 = 154,756.27/x
  3. Step 3: Cross multiply
    509,739.18x = 764,559.41 × 154,756.27
  4. Step 4: Simplify right side
    509,739.18x = 118,320,362,666.92
  5. Step 5: Solve for x
    x = 118,320,362,666.92/509,739.18
  6. Step 6: Final answer
    x = 232,119.42

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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.