Home / 915,371.96-1,263,287.94-507,601.64

Finding the Fourth Proportional to 915,371.96, 1,263,287.94 and 507,601.64

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Solution

The fourth proportional to 915,371.96, 1,263,287.94 and 507,601.64 is: 700,531.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,371.96 : 1,263,287.94 = 507,601.64 : x
  2. Step 2: Convert to fraction form
    915,371.96/1,263,287.94 = 507,601.64/x
  3. Step 3: Cross multiply
    915,371.96x = 1,263,287.94 × 507,601.64
  4. Step 4: Simplify right side
    915,371.96x = 641,247,030,136.22
  5. Step 5: Solve for x
    x = 641,247,030,136.22/915,371.96
  6. Step 6: Final answer
    x = 700,531.65

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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.