Home / 951,336.20-1,427,004.30-390,081.80

Finding the Fourth Proportional to 951,336.20, 1,427,004.30 and 390,081.80

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Solution

The fourth proportional to 951,336.20, 1,427,004.30 and 390,081.80 is: 585,122.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,336.20 : 1,427,004.30 = 390,081.80 : x
  2. Step 2: Convert to fraction form
    951,336.20/1,427,004.30 = 390,081.80/x
  3. Step 3: Cross multiply
    951,336.20x = 1,427,004.30 × 390,081.80
  4. Step 4: Simplify right side
    951,336.20x = 556,648,405,951.74
  5. Step 5: Solve for x
    x = 556,648,405,951.74/951,336.20
  6. Step 6: Final answer
    x = 585,122.70

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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.