Home / 846,846.78-1,168,618.32-479,316.03

Finding the Fourth Proportional to 846,846.78, 1,168,618.32 and 479,316.03

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Solution

The fourth proportional to 846,846.78, 1,168,618.32 and 479,316.03 is: 661,439.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,846.78 : 1,168,618.32 = 479,316.03 : x
  2. Step 2: Convert to fraction form
    846,846.78/1,168,618.32 = 479,316.03/x
  3. Step 3: Cross multiply
    846,846.78x = 1,168,618.32 × 479,316.03
  4. Step 4: Simplify right side
    846,846.78x = 560,137,493,727.67
  5. Step 5: Solve for x
    x = 560,137,493,727.67/846,846.78
  6. Step 6: Final answer
    x = 661,439.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.