Home / 726,412.46-1,089,624.15-253,097.06

Finding the Fourth Proportional to 726,412.46, 1,089,624.15 and 253,097.06

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Solution

The fourth proportional to 726,412.46, 1,089,624.15 and 253,097.06 is: 379,647.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,412.46 : 1,089,624.15 = 253,097.06 : x
  2. Step 2: Convert to fraction form
    726,412.46/1,089,624.15 = 253,097.06/x
  3. Step 3: Cross multiply
    726,412.46x = 1,089,624.15 × 253,097.06
  4. Step 4: Simplify right side
    726,412.46x = 275,780,663,421.88
  5. Step 5: Solve for x
    x = 275,780,663,421.88/726,412.46
  6. Step 6: Final answer
    x = 379,647.49

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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.