Home / 587,277.02-810,420.63-318,999.26

Finding the Fourth Proportional to 587,277.02, 810,420.63 and 318,999.26

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Solution

The fourth proportional to 587,277.02, 810,420.63 and 318,999.26 is: 440,207.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,277.02 : 810,420.63 = 318,999.26 : x
  2. Step 2: Convert to fraction form
    587,277.02/810,420.63 = 318,999.26/x
  3. Step 3: Cross multiply
    587,277.02x = 810,420.63 × 318,999.26
  4. Step 4: Simplify right side
    587,277.02x = 258,523,581,258.73
  5. Step 5: Solve for x
    x = 258,523,581,258.73/587,277.02
  6. Step 6: Final answer
    x = 440,207.21

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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.