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Finding the Fourth Proportional to 565,573, 779,912.10 and 374,516.68

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Solution

The fourth proportional to 565,573, 779,912.10 and 374,516.68 is: 516,449.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,573 : 779,912.10 = 374,516.68 : x
  2. Step 2: Convert to fraction form
    565,573/779,912.10 = 374,516.68/x
  3. Step 3: Cross multiply
    565,573x = 779,912.10 × 374,516.68
  4. Step 4: Simplify right side
    565,573x = 292,090,090,383.83
  5. Step 5: Solve for x
    x = 292,090,090,383.83/565,573
  6. Step 6: Final answer
    x = 516,449.85

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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.