Home / 684,838.60-1,027,257.90-310,861.60

Finding the Fourth Proportional to 684,838.60, 1,027,257.90 and 310,861.60

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Solution

The fourth proportional to 684,838.60, 1,027,257.90 and 310,861.60 is: 466,292.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,838.60 : 1,027,257.90 = 310,861.60 : x
  2. Step 2: Convert to fraction form
    684,838.60/1,027,257.90 = 310,861.60/x
  3. Step 3: Cross multiply
    684,838.60x = 1,027,257.90 × 310,861.60
  4. Step 4: Simplify right side
    684,838.60x = 319,335,034,406.64
  5. Step 5: Solve for x
    x = 319,335,034,406.64/684,838.60
  6. Step 6: Final answer
    x = 466,292.40

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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.