Home / 684,304.38-1,026,513.99-252,139.50

Finding the Fourth Proportional to 684,304.38, 1,026,513.99 and 252,139.50

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Solution

The fourth proportional to 684,304.38, 1,026,513.99 and 252,139.50 is: 378,230.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,304.38 : 1,026,513.99 = 252,139.50 : x
  2. Step 2: Convert to fraction form
    684,304.38/1,026,513.99 = 252,139.50/x
  3. Step 3: Cross multiply
    684,304.38x = 1,026,513.99 × 252,139.50
  4. Step 4: Simplify right side
    684,304.38x = 258,824,724,181.61
  5. Step 5: Solve for x
    x = 258,824,724,181.61/684,304.38
  6. Step 6: Final answer
    x = 378,230.41

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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.