Home / 836,038.36-1,253,662.01-323,943.20

Finding the Fourth Proportional to 836,038.36, 1,253,662.01 and 323,943.20

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Solution

The fourth proportional to 836,038.36, 1,253,662.01 and 323,943.20 is: 485,761.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,038.36 : 1,253,662.01 = 323,943.20 : x
  2. Step 2: Convert to fraction form
    836,038.36/1,253,662.01 = 323,943.20/x
  3. Step 3: Cross multiply
    836,038.36x = 1,253,662.01 × 323,943.20
  4. Step 4: Simplify right side
    836,038.36x = 406,115,281,265.83
  5. Step 5: Solve for x
    x = 406,115,281,265.83/836,038.36
  6. Step 6: Final answer
    x = 485,761.54

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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.