Home / 645,883.42-968,196.57-308,837.02

Finding the Fourth Proportional to 645,883.42, 968,196.57 and 308,837.02

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Solution

The fourth proportional to 645,883.42, 968,196.57 and 308,837.02 is: 462,954.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,883.42 : 968,196.57 = 308,837.02 : x
  2. Step 2: Convert to fraction form
    645,883.42/968,196.57 = 308,837.02/x
  3. Step 3: Cross multiply
    645,883.42x = 968,196.57 × 308,837.02
  4. Step 4: Simplify right side
    645,883.42x = 299,014,943,453.02
  5. Step 5: Solve for x
    x = 299,014,943,453.02/645,883.42
  6. Step 6: Final answer
    x = 462,954.98

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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.