Home / 728,564.25-1,093,088.37-323,700.12

Finding the Fourth Proportional to 728,564.25, 1,093,088.37 and 323,700.12

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Solution

The fourth proportional to 728,564.25, 1,093,088.37 and 323,700.12 is: 485,657.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,564.25 : 1,093,088.37 = 323,700.12 : x
  2. Step 2: Convert to fraction form
    728,564.25/1,093,088.37 = 323,700.12/x
  3. Step 3: Cross multiply
    728,564.25x = 1,093,088.37 × 323,700.12
  4. Step 4: Simplify right side
    728,564.25x = 353,832,836,539.60
  5. Step 5: Solve for x
    x = 353,832,836,539.60/728,564.25
  6. Step 6: Final answer
    x = 485,657.70

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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.