Home / 726,250.40-1,089,375.60-411,322.40

Finding the Fourth Proportional to 726,250.40, 1,089,375.60 and 411,322.40

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Solution

The fourth proportional to 726,250.40, 1,089,375.60 and 411,322.40 is: 616,983.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,250.40 : 1,089,375.60 = 411,322.40 : x
  2. Step 2: Convert to fraction form
    726,250.40/1,089,375.60 = 411,322.40/x
  3. Step 3: Cross multiply
    726,250.40x = 1,089,375.60 × 411,322.40
  4. Step 4: Simplify right side
    726,250.40x = 448,084,586,293.44
  5. Step 5: Solve for x
    x = 448,084,586,293.44/726,250.40
  6. Step 6: Final answer
    x = 616,983.60

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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.