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Finding the Fourth Proportional to 602,078.37, 902,121.10 and 264,613.33

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Solution

The fourth proportional to 602,078.37, 902,121.10 and 264,613.33 is: 396,482.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,078.37 : 902,121.10 = 264,613.33 : x
  2. Step 2: Convert to fraction form
    602,078.37/902,121.10 = 264,613.33/x
  3. Step 3: Cross multiply
    602,078.37x = 902,121.10 × 264,613.33
  4. Step 4: Simplify right side
    602,078.37x = 238,713,268,800.38
  5. Step 5: Solve for x
    x = 238,713,268,800.38/602,078.37
  6. Step 6: Final answer
    x = 396,482.06

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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.