Home / 684,311.40-1,026,159.90-263,447.40

Finding the Fourth Proportional to 684,311.40, 1,026,159.90 and 263,447.40

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Solution

The fourth proportional to 684,311.40, 1,026,159.90 and 263,447.40 is: 395,052.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,311.40 : 1,026,159.90 = 263,447.40 : x
  2. Step 2: Convert to fraction form
    684,311.40/1,026,159.90 = 263,447.40/x
  3. Step 3: Cross multiply
    684,311.40x = 1,026,159.90 × 263,447.40
  4. Step 4: Simplify right side
    684,311.40x = 270,339,157,639.26
  5. Step 5: Solve for x
    x = 270,339,157,639.26/684,311.40
  6. Step 6: Final answer
    x = 395,052.83

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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.