Home / 704,874.40-1,057,311.60-172,389.11

Finding the Fourth Proportional to 704,874.40, 1,057,311.60 and 172,389.11

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Solution

The fourth proportional to 704,874.40, 1,057,311.60 and 172,389.11 is: 258,583.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,874.40 : 1,057,311.60 = 172,389.11 : x
  2. Step 2: Convert to fraction form
    704,874.40/1,057,311.60 = 172,389.11/x
  3. Step 3: Cross multiply
    704,874.40x = 1,057,311.60 × 172,389.11
  4. Step 4: Simplify right side
    704,874.40x = 182,268,999,783.66
  5. Step 5: Solve for x
    x = 182,268,999,783.66/704,874.40
  6. Step 6: Final answer
    x = 258,583.66

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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.