Home / 684,008.80-1,026,013.20-185,372.80

Finding the Fourth Proportional to 684,008.80, 1,026,013.20 and 185,372.80

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Solution

The fourth proportional to 684,008.80, 1,026,013.20 and 185,372.80 is: 278,059.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,008.80 : 1,026,013.20 = 185,372.80 : x
  2. Step 2: Convert to fraction form
    684,008.80/1,026,013.20 = 185,372.80/x
  3. Step 3: Cross multiply
    684,008.80x = 1,026,013.20 × 185,372.80
  4. Step 4: Simplify right side
    684,008.80x = 190,194,939,720.96
  5. Step 5: Solve for x
    x = 190,194,939,720.96/684,008.80
  6. Step 6: Final answer
    x = 278,059.20

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Similar ratio
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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.