Home / 995,119.56-1,492,768.98-321,216.84

Finding the Fourth Proportional to 995,119.56, 1,492,768.98 and 321,216.84

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Solution

The fourth proportional to 995,119.56, 1,492,768.98 and 321,216.84 is: 481,854.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,119.56 : 1,492,768.98 = 321,216.84 : x
  2. Step 2: Convert to fraction form
    995,119.56/1,492,768.98 = 321,216.84/x
  3. Step 3: Cross multiply
    995,119.56x = 1,492,768.98 × 321,216.84
  4. Step 4: Simplify right side
    995,119.56x = 479,502,534,605.62
  5. Step 5: Solve for x
    x = 479,502,534,605.62/995,119.56
  6. Step 6: Final answer
    x = 481,854.20

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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.