Home / 725,740.52-1,089,106.14-252,421.16

Finding the Fourth Proportional to 725,740.52, 1,089,106.14 and 252,421.16

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Solution

The fourth proportional to 725,740.52, 1,089,106.14 and 252,421.16 is: 378,804.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,740.52 : 1,089,106.14 = 252,421.16 : x
  2. Step 2: Convert to fraction form
    725,740.52/1,089,106.14 = 252,421.16/x
  3. Step 3: Cross multiply
    725,740.52x = 1,089,106.14 × 252,421.16
  4. Step 4: Simplify right side
    725,740.52x = 274,913,435,221.92
  5. Step 5: Solve for x
    x = 274,913,435,221.92/725,740.52
  6. Step 6: Final answer
    x = 378,804.03

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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.