Home / 803,028.70-1,108,181.19-440,455.51

Finding the Fourth Proportional to 803,028.70, 1,108,181.19 and 440,455.51

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Solution

The fourth proportional to 803,028.70, 1,108,181.19 and 440,455.51 is: 607,829.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,028.70 : 1,108,181.19 = 440,455.51 : x
  2. Step 2: Convert to fraction form
    803,028.70/1,108,181.19 = 440,455.51/x
  3. Step 3: Cross multiply
    803,028.70x = 1,108,181.19 × 440,455.51
  4. Step 4: Simplify right side
    803,028.70x = 488,104,511,213.86
  5. Step 5: Solve for x
    x = 488,104,511,213.86/803,028.70
  6. Step 6: Final answer
    x = 607,829.47

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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.