Home / 665,513.36-998,736.60-384,644.24

Finding the Fourth Proportional to 665,513.36, 998,736.60 and 384,644.24

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Solution

The fourth proportional to 665,513.36, 998,736.60 and 384,644.24 is: 577,236.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,513.36 : 998,736.60 = 384,644.24 : x
  2. Step 2: Convert to fraction form
    665,513.36/998,736.60 = 384,644.24/x
  3. Step 3: Cross multiply
    665,513.36x = 998,736.60 × 384,644.24
  4. Step 4: Simplify right side
    665,513.36x = 384,158,280,467.18
  5. Step 5: Solve for x
    x = 384,158,280,467.18/665,513.36
  6. Step 6: Final answer
    x = 577,236.02

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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.