Home / 684,705.72-1,026,851.22-186,004.92

Finding the Fourth Proportional to 684,705.72, 1,026,851.22 and 186,004.92

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Solution

The fourth proportional to 684,705.72, 1,026,851.22 and 186,004.92 is: 278,951.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,705.72 : 1,026,851.22 = 186,004.92 : x
  2. Step 2: Convert to fraction form
    684,705.72/1,026,851.22 = 186,004.92/x
  3. Step 3: Cross multiply
    684,705.72x = 1,026,851.22 × 186,004.92
  4. Step 4: Simplify right side
    684,705.72x = 190,999,379,028.00
  5. Step 5: Solve for x
    x = 190,999,379,028.00/684,705.72
  6. Step 6: Final answer
    x = 278,951.05

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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.