Home / 728,088.48-1,004,812.56-441,620.64

Finding the Fourth Proportional to 728,088.48, 1,004,812.56 and 441,620.64

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Solution

The fourth proportional to 728,088.48, 1,004,812.56 and 441,620.64 is: 609,467.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,088.48 : 1,004,812.56 = 441,620.64 : x
  2. Step 2: Convert to fraction form
    728,088.48/1,004,812.56 = 441,620.64/x
  3. Step 3: Cross multiply
    728,088.48x = 1,004,812.56 × 441,620.64
  4. Step 4: Simplify right side
    728,088.48x = 443,745,965,827.24
  5. Step 5: Solve for x
    x = 443,745,965,827.24/728,088.48
  6. Step 6: Final answer
    x = 609,467.09

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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.