Home / 783,198.96-1,175,188.68-310,225.20

Finding the Fourth Proportional to 783,198.96, 1,175,188.68 and 310,225.20

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Solution

The fourth proportional to 783,198.96, 1,175,188.68 and 310,225.20 is: 465,492.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,198.96 : 1,175,188.68 = 310,225.20 : x
  2. Step 2: Convert to fraction form
    783,198.96/1,175,188.68 = 310,225.20/x
  3. Step 3: Cross multiply
    783,198.96x = 1,175,188.68 × 310,225.20
  4. Step 4: Simplify right side
    783,198.96x = 364,573,143,290.74
  5. Step 5: Solve for x
    x = 364,573,143,290.74/783,198.96
  6. Step 6: Final answer
    x = 465,492.37

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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.