Home / 952,421.64-1,428,771.88-447,033.96

Finding the Fourth Proportional to 952,421.64, 1,428,771.88 and 447,033.96

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Solution

The fourth proportional to 952,421.64, 1,428,771.88 and 447,033.96 is: 670,616.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    952,421.64 : 1,428,771.88 = 447,033.96 : x
  2. Step 2: Convert to fraction form
    952,421.64/1,428,771.88 = 447,033.96/x
  3. Step 3: Cross multiply
    952,421.64x = 1,428,771.88 × 447,033.96
  4. Step 4: Simplify right side
    952,421.64x = 638,709,551,453.05
  5. Step 5: Solve for x
    x = 638,709,551,453.05/952,421.64
  6. Step 6: Final answer
    x = 670,616.38

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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.