Home / 682,618.10-1,022,621.55-366,970.10

Finding the Fourth Proportional to 682,618.10, 1,022,621.55 and 366,970.10

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Solution

The fourth proportional to 682,618.10, 1,022,621.55 and 366,970.10 is: 549,753.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,618.10 : 1,022,621.55 = 366,970.10 : x
  2. Step 2: Convert to fraction form
    682,618.10/1,022,621.55 = 366,970.10/x
  3. Step 3: Cross multiply
    682,618.10x = 1,022,621.55 × 366,970.10
  4. Step 4: Simplify right side
    682,618.10x = 375,271,532,465.66
  5. Step 5: Solve for x
    x = 375,271,532,465.66/682,618.10
  6. Step 6: Final answer
    x = 549,753.27

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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.