Home / 645,878.42-968,189.07-308,832.02

Finding the Fourth Proportional to 645,878.42, 968,189.07 and 308,832.02

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Solution

The fourth proportional to 645,878.42, 968,189.07 and 308,832.02 is: 462,947.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,878.42 : 968,189.07 = 308,832.02 : x
  2. Step 2: Convert to fraction form
    645,878.42/968,189.07 = 308,832.02/x
  3. Step 3: Cross multiply
    645,878.42x = 968,189.07 × 308,832.02
  4. Step 4: Simplify right side
    645,878.42x = 299,007,786,230.02
  5. Step 5: Solve for x
    x = 299,007,786,230.02/645,878.42
  6. Step 6: Final answer
    x = 462,947.48

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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.