Home / 692,556.15-1,038,994.26-219,241.51

Finding the Fourth Proportional to 692,556.15, 1,038,994.26 and 219,241.51

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Solution

The fourth proportional to 692,556.15, 1,038,994.26 and 219,241.51 is: 328,912.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,556.15 : 1,038,994.26 = 219,241.51 : x
  2. Step 2: Convert to fraction form
    692,556.15/1,038,994.26 = 219,241.51/x
  3. Step 3: Cross multiply
    692,556.15x = 1,038,994.26 × 219,241.51
  4. Step 4: Simplify right side
    692,556.15x = 227,790,671,796.11
  5. Step 5: Solve for x
    x = 227,790,671,796.11/692,556.15
  6. Step 6: Final answer
    x = 328,912.93

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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.