Home / 726,204.60-1,089,047.70-252,905.40

Finding the Fourth Proportional to 726,204.60, 1,089,047.70 and 252,905.40

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Solution

The fourth proportional to 726,204.60, 1,089,047.70 and 252,905.40 is: 379,267.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,204.60 : 1,089,047.70 = 252,905.40 : x
  2. Step 2: Convert to fraction form
    726,204.60/1,089,047.70 = 252,905.40/x
  3. Step 3: Cross multiply
    726,204.60x = 1,089,047.70 × 252,905.40
  4. Step 4: Simplify right side
    726,204.60x = 275,426,044,187.58
  5. Step 5: Solve for x
    x = 275,426,044,187.58/726,204.60
  6. Step 6: Final answer
    x = 379,267.83

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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.