Home / 645,609.19-968,524.08-266,322.58

Finding the Fourth Proportional to 645,609.19, 968,524.08 and 266,322.58

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Solution

The fourth proportional to 645,609.19, 968,524.08 and 266,322.58 is: 399,529.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,609.19 : 968,524.08 = 266,322.58 : x
  2. Step 2: Convert to fraction form
    645,609.19/968,524.08 = 266,322.58/x
  3. Step 3: Cross multiply
    645,609.19x = 968,524.08 × 266,322.58
  4. Step 4: Simplify right side
    645,609.19x = 257,939,831,777.73
  5. Step 5: Solve for x
    x = 257,939,831,777.73/645,609.19
  6. Step 6: Final answer
    x = 399,529.37

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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.