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Finding the Fourth Proportional to 536,685.72, 740,633.96 and 294,990.64

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Solution

The fourth proportional to 536,685.72, 740,633.96 and 294,990.64 is: 407,091.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,685.72 : 740,633.96 = 294,990.64 : x
  2. Step 2: Convert to fraction form
    536,685.72/740,633.96 = 294,990.64/x
  3. Step 3: Cross multiply
    536,685.72x = 740,633.96 × 294,990.64
  4. Step 4: Simplify right side
    536,685.72x = 218,480,085,866.13
  5. Step 5: Solve for x
    x = 218,480,085,866.13/536,685.72
  6. Step 6: Final answer
    x = 407,091.30

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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.