Home / 762,709.71-1,052,536.44-418,551.38

Finding the Fourth Proportional to 762,709.71, 1,052,536.44 and 418,551.38

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Solution

The fourth proportional to 762,709.71, 1,052,536.44 and 418,551.38 is: 577,599.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,709.71 : 1,052,536.44 = 418,551.38 : x
  2. Step 2: Convert to fraction form
    762,709.71/1,052,536.44 = 418,551.38/x
  3. Step 3: Cross multiply
    762,709.71x = 1,052,536.44 × 418,551.38
  4. Step 4: Simplify right side
    762,709.71x = 440,540,572,106.85
  5. Step 5: Solve for x
    x = 440,540,572,106.85/762,709.71
  6. Step 6: Final answer
    x = 577,599.27

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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.