Home / 726,477.26-1,089,704.95-326,835.81

Finding the Fourth Proportional to 726,477.26, 1,089,704.95 and 326,835.81

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Solution

The fourth proportional to 726,477.26, 1,089,704.95 and 326,835.81 is: 490,248.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,477.26 : 1,089,704.95 = 326,835.81 : x
  2. Step 2: Convert to fraction form
    726,477.26/1,089,704.95 = 326,835.81/x
  3. Step 3: Cross multiply
    726,477.26x = 1,089,704.95 × 326,835.81
  4. Step 4: Simplify right side
    726,477.26x = 356,154,599,177.17
  5. Step 5: Solve for x
    x = 356,154,599,177.17/726,477.26
  6. Step 6: Final answer
    x = 490,248.80

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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.