Home / 673,420.80-1,010,091.52-252,661.12

Finding the Fourth Proportional to 673,420.80, 1,010,091.52 and 252,661.12

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Solution

The fourth proportional to 673,420.80, 1,010,091.52 and 252,661.12 is: 378,976.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,420.80 : 1,010,091.52 = 252,661.12 : x
  2. Step 2: Convert to fraction form
    673,420.80/1,010,091.52 = 252,661.12/x
  3. Step 3: Cross multiply
    673,420.80x = 1,010,091.52 × 252,661.12
  4. Step 4: Simplify right side
    673,420.80x = 255,210,854,745.70
  5. Step 5: Solve for x
    x = 255,210,854,745.70/673,420.80
  6. Step 6: Final answer
    x = 378,976.79

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1.5x scale

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.