Home / 526,846.22-727,048.67-285,129.03

Finding the Fourth Proportional to 526,846.22, 727,048.67 and 285,129.03

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Solution

The fourth proportional to 526,846.22, 727,048.67 and 285,129.03 is: 393,478.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,846.22 : 727,048.67 = 285,129.03 : x
  2. Step 2: Convert to fraction form
    526,846.22/727,048.67 = 285,129.03/x
  3. Step 3: Cross multiply
    526,846.22x = 727,048.67 × 285,129.03
  4. Step 4: Simplify right side
    526,846.22x = 207,302,680,614.25
  5. Step 5: Solve for x
    x = 207,302,680,614.25/526,846.22
  6. Step 6: Final answer
    x = 393,478.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.