Home / 671,137.92-1,007,698.32-447,888.96

Finding the Fourth Proportional to 671,137.92, 1,007,698.32 and 447,888.96

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Solution

The fourth proportional to 671,137.92, 1,007,698.32 and 447,888.96 is: 672,495.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,137.92 : 1,007,698.32 = 447,888.96 : x
  2. Step 2: Convert to fraction form
    671,137.92/1,007,698.32 = 447,888.96/x
  3. Step 3: Cross multiply
    671,137.92x = 1,007,698.32 × 447,888.96
  4. Step 4: Simplify right side
    671,137.92x = 451,336,952,538.55
  5. Step 5: Solve for x
    x = 451,336,952,538.55/671,137.92
  6. Step 6: Final answer
    x = 672,495.08

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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.