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Finding the Fourth Proportional to 807,375.60, 1,208,730.60 and 784,047.60

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Solution

The fourth proportional to 807,375.60, 1,208,730.60 and 784,047.60 is: 1,173,806.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,375.60 : 1,208,730.60 = 784,047.60 : x
  2. Step 2: Convert to fraction form
    807,375.60/1,208,730.60 = 784,047.60/x
  3. Step 3: Cross multiply
    807,375.60x = 1,208,730.60 × 784,047.60
  4. Step 4: Simplify right side
    807,375.60x = 947,702,325,976.56
  5. Step 5: Solve for x
    x = 947,702,325,976.56/807,375.60
  6. Step 6: Final answer
    x = 1,173,806.00

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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.