Home / 726,614.34-1,089,927.58-253,298.94

Finding the Fourth Proportional to 726,614.34, 1,089,927.58 and 253,298.94

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Solution

The fourth proportional to 726,614.34, 1,089,927.58 and 253,298.94 is: 379,950.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,614.34 : 1,089,927.58 = 253,298.94 : x
  2. Step 2: Convert to fraction form
    726,614.34/1,089,927.58 = 253,298.94/x
  3. Step 3: Cross multiply
    726,614.34x = 1,089,927.58 × 253,298.94
  4. Step 4: Simplify right side
    726,614.34x = 276,077,500,690.77
  5. Step 5: Solve for x
    x = 276,077,500,690.77/726,614.34
  6. Step 6: Final answer
    x = 379,950.53

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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.