Home / 509,239.50-764,027.73-272,529.42

Finding the Fourth Proportional to 509,239.50, 764,027.73 and 272,529.42

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Solution

The fourth proportional to 509,239.50, 764,027.73 and 272,529.42 is: 408,884.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,239.50 : 764,027.73 = 272,529.42 : x
  2. Step 2: Convert to fraction form
    509,239.50/764,027.73 = 272,529.42/x
  3. Step 3: Cross multiply
    509,239.50x = 764,027.73 × 272,529.42
  4. Step 4: Simplify right side
    509,239.50x = 208,220,034,120.82
  5. Step 5: Solve for x
    x = 208,220,034,120.82/509,239.50
  6. Step 6: Final answer
    x = 408,884.30

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1.5x scale

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.