Home / 704,787.72-1,057,172.13-172,313.34

Finding the Fourth Proportional to 704,787.72, 1,057,172.13 and 172,313.34

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Solution

The fourth proportional to 704,787.72, 1,057,172.13 and 172,313.34 is: 258,467.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,787.72 : 1,057,172.13 = 172,313.34 : x
  2. Step 2: Convert to fraction form
    704,787.72/1,057,172.13 = 172,313.34/x
  3. Step 3: Cross multiply
    704,787.72x = 1,057,172.13 × 172,313.34
  4. Step 4: Simplify right side
    704,787.72x = 182,164,860,675.21
  5. Step 5: Solve for x
    x = 182,164,860,675.21/704,787.72
  6. Step 6: Final answer
    x = 258,467.70

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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.