Home / 688,297.73-1,033,103.30-422,577.23

Finding the Fourth Proportional to 688,297.73, 1,033,103.30 and 422,577.23

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Solution

The fourth proportional to 688,297.73, 1,033,103.30 and 422,577.23 is: 634,269.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,297.73 : 1,033,103.30 = 422,577.23 : x
  2. Step 2: Convert to fraction form
    688,297.73/1,033,103.30 = 422,577.23/x
  3. Step 3: Cross multiply
    688,297.73x = 1,033,103.30 × 422,577.23
  4. Step 4: Simplify right side
    688,297.73x = 436,565,930,817.86
  5. Step 5: Solve for x
    x = 436,565,930,817.86/688,297.73
  6. Step 6: Final answer
    x = 634,269.03

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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.