Home / 549,297.86-823,161.65-308,907.18

Finding the Fourth Proportional to 549,297.86, 823,161.65 and 308,907.18

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Solution

The fourth proportional to 549,297.86, 823,161.65 and 308,907.18 is: 462,919.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,297.86 : 823,161.65 = 308,907.18 : x
  2. Step 2: Convert to fraction form
    549,297.86/823,161.65 = 308,907.18/x
  3. Step 3: Cross multiply
    549,297.86x = 823,161.65 × 308,907.18
  4. Step 4: Simplify right side
    549,297.86x = 254,280,542,441.11
  5. Step 5: Solve for x
    x = 254,280,542,441.11/549,297.86
  6. Step 6: Final answer
    x = 462,919.23

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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.