Home / 803,203.31-1,108,435.16-440,645.69

Finding the Fourth Proportional to 803,203.31, 1,108,435.16 and 440,645.69

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Solution

The fourth proportional to 803,203.31, 1,108,435.16 and 440,645.69 is: 608,099.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,203.31 : 1,108,435.16 = 440,645.69 : x
  2. Step 2: Convert to fraction form
    803,203.31/1,108,435.16 = 440,645.69/x
  3. Step 3: Cross multiply
    803,203.31x = 1,108,435.16 × 440,645.69
  4. Step 4: Simplify right side
    803,203.31x = 488,427,179,771.16
  5. Step 5: Solve for x
    x = 488,427,179,771.16/803,203.31
  6. Step 6: Final answer
    x = 608,099.06

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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.