Home / 986,379.21-1,361,099.39-572,835.29

Finding the Fourth Proportional to 986,379.21, 1,361,099.39 and 572,835.29

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Solution

The fourth proportional to 986,379.21, 1,361,099.39 and 572,835.29 is: 790,452.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,379.21 : 1,361,099.39 = 572,835.29 : x
  2. Step 2: Convert to fraction form
    986,379.21/1,361,099.39 = 572,835.29/x
  3. Step 3: Cross multiply
    986,379.21x = 1,361,099.39 × 572,835.29
  4. Step 4: Simplify right side
    986,379.21x = 779,685,754,119.80
  5. Step 5: Solve for x
    x = 779,685,754,119.80/986,379.21
  6. Step 6: Final answer
    x = 790,452.34

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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.