Home / 995,111.20-1,492,375.20-355,340.80

Finding the Fourth Proportional to 995,111.20, 1,492,375.20 and 355,340.80

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Solution

The fourth proportional to 995,111.20, 1,492,375.20 and 355,340.80 is: 532,907.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,111.20 : 1,492,375.20 = 355,340.80 : x
  2. Step 2: Convert to fraction form
    995,111.20/1,492,375.20 = 355,340.80/x
  3. Step 3: Cross multiply
    995,111.20x = 1,492,375.20 × 355,340.80
  4. Step 4: Simplify right side
    995,111.20x = 530,301,797,468.16
  5. Step 5: Solve for x
    x = 530,301,797,468.16/995,111.20
  6. Step 6: Final answer
    x = 532,907.07

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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.