Home / 587,813.18-881,969.40-321,262.28

Finding the Fourth Proportional to 587,813.18, 881,969.40 and 321,262.28

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Solution

The fourth proportional to 587,813.18, 881,969.40 and 321,262.28 is: 482,029.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,813.18 : 881,969.40 = 321,262.28 : x
  2. Step 2: Convert to fraction form
    587,813.18/881,969.40 = 321,262.28/x
  3. Step 3: Cross multiply
    587,813.18x = 881,969.40 × 321,262.28
  4. Step 4: Simplify right side
    587,813.18x = 283,343,500,334.23
  5. Step 5: Solve for x
    x = 283,343,500,334.23/587,813.18
  6. Step 6: Final answer
    x = 482,029.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.