Home / 915,536.88-1,263,390.39-507,614.94

Finding the Fourth Proportional to 915,536.88, 1,263,390.39 and 507,614.94

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Solution

The fourth proportional to 915,536.88, 1,263,390.39 and 507,614.94 is: 700,480.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,536.88 : 1,263,390.39 = 507,614.94 : x
  2. Step 2: Convert to fraction form
    915,536.88/1,263,390.39 = 507,614.94/x
  3. Step 3: Cross multiply
    915,536.88x = 1,263,390.39 × 507,614.94
  4. Step 4: Simplify right side
    915,536.88x = 641,315,837,016.43
  5. Step 5: Solve for x
    x = 641,315,837,016.43/915,536.88
  6. Step 6: Final answer
    x = 700,480.62

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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.