Home / 915,516.45-1,263,362.10-507,594.48

Finding the Fourth Proportional to 915,516.45, 1,263,362.10 and 507,594.48

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Solution

The fourth proportional to 915,516.45, 1,263,362.10 and 507,594.48 is: 700,452.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,516.45 : 1,263,362.10 = 507,594.48 : x
  2. Step 2: Convert to fraction form
    915,516.45/1,263,362.10 = 507,594.48/x
  3. Step 3: Cross multiply
    915,516.45x = 1,263,362.10 × 507,594.48
  4. Step 4: Simplify right side
    915,516.45x = 641,275,628,201.21
  5. Step 5: Solve for x
    x = 641,275,628,201.21/915,516.45
  6. Step 6: Final answer
    x = 700,452.33

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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.