Home / 931,663.21-1,285,740.84-523,893.43

Finding the Fourth Proportional to 931,663.21, 1,285,740.84 and 523,893.43

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Solution

The fourth proportional to 931,663.21, 1,285,740.84 and 523,893.43 is: 722,998.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,663.21 : 1,285,740.84 = 523,893.43 : x
  2. Step 2: Convert to fraction form
    931,663.21/1,285,740.84 = 523,893.43/x
  3. Step 3: Cross multiply
    931,663.21x = 1,285,740.84 × 523,893.43
  4. Step 4: Simplify right side
    931,663.21x = 673,591,178,758.68
  5. Step 5: Solve for x
    x = 673,591,178,758.68/931,663.21
  6. Step 6: Final answer
    x = 722,998.58

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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.