Home / 673,653.80-1,010,480.70-407,933.30

Finding the Fourth Proportional to 673,653.80, 1,010,480.70 and 407,933.30

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Solution

The fourth proportional to 673,653.80, 1,010,480.70 and 407,933.30 is: 611,899.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,653.80 : 1,010,480.70 = 407,933.30 : x
  2. Step 2: Convert to fraction form
    673,653.80/1,010,480.70 = 407,933.30/x
  3. Step 3: Cross multiply
    673,653.80x = 1,010,480.70 × 407,933.30
  4. Step 4: Simplify right side
    673,653.80x = 412,208,726,537.31
  5. Step 5: Solve for x
    x = 412,208,726,537.31/673,653.80
  6. Step 6: Final answer
    x = 611,899.95

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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.