Home / 762,654.69-1,052,458.21-423,122.94

Finding the Fourth Proportional to 762,654.69, 1,052,458.21 and 423,122.94

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Solution

The fourth proportional to 762,654.69, 1,052,458.21 and 423,122.94 is: 583,906.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,654.69 : 1,052,458.21 = 423,122.94 : x
  2. Step 2: Convert to fraction form
    762,654.69/1,052,458.21 = 423,122.94/x
  3. Step 3: Cross multiply
    762,654.69x = 1,052,458.21 × 423,122.94
  4. Step 4: Simplify right side
    762,654.69x = 445,319,212,571.24
  5. Step 5: Solve for x
    x = 445,319,212,571.24/762,654.69
  6. Step 6: Final answer
    x = 583,906.74

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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.