Home / 915,806.44-1,263,816.60-507,946.36

Finding the Fourth Proportional to 915,806.44, 1,263,816.60 and 507,946.36

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Solution

The fourth proportional to 915,806.44, 1,263,816.60 and 507,946.36 is: 700,968.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,806.44 : 1,263,816.60 = 507,946.36 : x
  2. Step 2: Convert to fraction form
    915,806.44/1,263,816.60 = 507,946.36/x
  3. Step 3: Cross multiply
    915,806.44x = 1,263,816.60 × 507,946.36
  4. Step 4: Simplify right side
    915,806.44x = 641,951,041,677.58
  5. Step 5: Solve for x
    x = 641,951,041,677.58/915,806.44
  6. Step 6: Final answer
    x = 700,968.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.