Home / 899,723.33-1,241,594.44-491,826.05

Finding the Fourth Proportional to 899,723.33, 1,241,594.44 and 491,826.05

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Solution

The fourth proportional to 899,723.33, 1,241,594.44 and 491,826.05 is: 678,706.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,723.33 : 1,241,594.44 = 491,826.05 : x
  2. Step 2: Convert to fraction form
    899,723.33/1,241,594.44 = 491,826.05/x
  3. Step 3: Cross multiply
    899,723.33x = 1,241,594.44 × 491,826.05
  4. Step 4: Simplify right side
    899,723.33x = 610,648,489,127.16
  5. Step 5: Solve for x
    x = 610,648,489,127.16/899,723.33
  6. Step 6: Final answer
    x = 678,706.96

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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.