Home / 726,606.96-1,089,916.51-253,291.56

Finding the Fourth Proportional to 726,606.96, 1,089,916.51 and 253,291.56

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Solution

The fourth proportional to 726,606.96, 1,089,916.51 and 253,291.56 is: 379,939.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,606.96 : 1,089,916.51 = 253,291.56 : x
  2. Step 2: Convert to fraction form
    726,606.96/1,089,916.51 = 253,291.56/x
  3. Step 3: Cross multiply
    726,606.96x = 1,089,916.51 × 253,291.56
  4. Step 4: Simplify right side
    726,606.96x = 276,066,653,087.66
  5. Step 5: Solve for x
    x = 276,066,653,087.66/726,606.96
  6. Step 6: Final answer
    x = 379,939.46

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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.