Home / 442,416.08-610,516.60-261,186.39

Finding the Fourth Proportional to 442,416.08, 610,516.60 and 261,186.39

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Solution

The fourth proportional to 442,416.08, 610,516.60 and 261,186.39 is: 360,426.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,416.08 : 610,516.60 = 261,186.39 : x
  2. Step 2: Convert to fraction form
    442,416.08/610,516.60 = 261,186.39/x
  3. Step 3: Cross multiply
    442,416.08x = 610,516.60 × 261,186.39
  4. Step 4: Simplify right side
    442,416.08x = 159,458,626,789.07
  5. Step 5: Solve for x
    x = 159,458,626,789.07/442,416.08
  6. Step 6: Final answer
    x = 360,426.83

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1.5x scale

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.