Home / 897,676.02-1,238,611.37-571,118.72

Finding the Fourth Proportional to 897,676.02, 1,238,611.37 and 571,118.72

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Solution

The fourth proportional to 897,676.02, 1,238,611.37 and 571,118.72 is: 788,028.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,676.02 : 1,238,611.37 = 571,118.72 : x
  2. Step 2: Convert to fraction form
    897,676.02/1,238,611.37 = 571,118.72/x
  3. Step 3: Cross multiply
    897,676.02x = 1,238,611.37 × 571,118.72
  4. Step 4: Simplify right side
    897,676.02x = 707,394,131,163.20
  5. Step 5: Solve for x
    x = 707,394,131,163.20/897,676.02
  6. Step 6: Final answer
    x = 788,028.33

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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.