Home / 587,276.02-810,419.25-318,998.26

Finding the Fourth Proportional to 587,276.02, 810,419.25 and 318,998.26

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Solution

The fourth proportional to 587,276.02, 810,419.25 and 318,998.26 is: 440,205.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,276.02 : 810,419.25 = 318,998.26 : x
  2. Step 2: Convert to fraction form
    587,276.02/810,419.25 = 318,998.26/x
  3. Step 3: Cross multiply
    587,276.02x = 810,419.25 × 318,998.26
  4. Step 4: Simplify right side
    587,276.02x = 258,522,330,620.51
  5. Step 5: Solve for x
    x = 258,522,330,620.51/587,276.02
  6. Step 6: Final answer
    x = 440,205.83

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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.