Home / 947,148.60-1,420,722.90-547,583.70

Finding the Fourth Proportional to 947,148.60, 1,420,722.90 and 547,583.70

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Solution

The fourth proportional to 947,148.60, 1,420,722.90 and 547,583.70 is: 821,375.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,148.60 : 1,420,722.90 = 547,583.70 : x
  2. Step 2: Convert to fraction form
    947,148.60/1,420,722.90 = 547,583.70/x
  3. Step 3: Cross multiply
    947,148.60x = 1,420,722.90 × 547,583.70
  4. Step 4: Simplify right side
    947,148.60x = 777,964,702,256.73
  5. Step 5: Solve for x
    x = 777,964,702,256.73/947,148.60
  6. Step 6: Final answer
    x = 821,375.55

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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.