Home / 780,239.52-1,170,697.32-275,161.41

Finding the Fourth Proportional to 780,239.52, 1,170,697.32 and 275,161.41

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Solution

The fourth proportional to 780,239.52, 1,170,697.32 and 275,161.41 is: 412,861.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,239.52 : 1,170,697.32 = 275,161.41 : x
  2. Step 2: Convert to fraction form
    780,239.52/1,170,697.32 = 275,161.41/x
  3. Step 3: Cross multiply
    780,239.52x = 1,170,697.32 × 275,161.41
  4. Step 4: Simplify right side
    780,239.52x = 322,130,725,254.42
  5. Step 5: Solve for x
    x = 322,130,725,254.42/780,239.52
  6. Step 6: Final answer
    x = 412,861.33

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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.