Home / 804,105.60-1,206,158.40-384,201.60

Finding the Fourth Proportional to 804,105.60, 1,206,158.40 and 384,201.60

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Solution

The fourth proportional to 804,105.60, 1,206,158.40 and 384,201.60 is: 576,302.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,105.60 : 1,206,158.40 = 384,201.60 : x
  2. Step 2: Convert to fraction form
    804,105.60/1,206,158.40 = 384,201.60/x
  3. Step 3: Cross multiply
    804,105.60x = 1,206,158.40 × 384,201.60
  4. Step 4: Simplify right side
    804,105.60x = 463,407,987,133.44
  5. Step 5: Solve for x
    x = 463,407,987,133.44/804,105.60
  6. Step 6: Final answer
    x = 576,302.40

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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.