Home / 602,194.56-828,942.66-520,485.54

Finding the Fourth Proportional to 602,194.56, 828,942.66 and 520,485.54

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Solution

The fourth proportional to 602,194.56, 828,942.66 and 520,485.54 is: 716,467.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,194.56 : 828,942.66 = 520,485.54 : x
  2. Step 2: Convert to fraction form
    602,194.56/828,942.66 = 520,485.54/x
  3. Step 3: Cross multiply
    602,194.56x = 828,942.66 × 520,485.54
  4. Step 4: Simplify right side
    602,194.56x = 431,452,668,019.14
  5. Step 5: Solve for x
    x = 431,452,668,019.14/602,194.56
  6. Step 6: Final answer
    x = 716,467.23

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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.