Home / 692,043.47-1,038,058.82-218,729.09

Finding the Fourth Proportional to 692,043.47, 1,038,058.82 and 218,729.09

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Solution

The fourth proportional to 692,043.47, 1,038,058.82 and 218,729.09 is: 328,091.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,043.47 : 1,038,058.82 = 218,729.09 : x
  2. Step 2: Convert to fraction form
    692,043.47/1,038,058.82 = 218,729.09/x
  3. Step 3: Cross multiply
    692,043.47x = 1,038,058.82 × 218,729.09
  4. Step 4: Simplify right side
    692,043.47x = 227,053,655,874.78
  5. Step 5: Solve for x
    x = 227,053,655,874.78/692,043.47
  6. Step 6: Final answer
    x = 328,091.61

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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.