Home / 673,305.62-1,009,947.49-318,574.22

Finding the Fourth Proportional to 673,305.62, 1,009,947.49 and 318,574.22

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Solution

The fourth proportional to 673,305.62, 1,009,947.49 and 318,574.22 is: 477,856.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,305.62 : 1,009,947.49 = 318,574.22 : x
  2. Step 2: Convert to fraction form
    673,305.62/1,009,947.49 = 318,574.22/x
  3. Step 3: Cross multiply
    673,305.62x = 1,009,947.49 × 318,574.22
  4. Step 4: Simplify right side
    673,305.62x = 321,743,228,021.54
  5. Step 5: Solve for x
    x = 321,743,228,021.54/673,305.62
  6. Step 6: Final answer
    x = 477,856.15

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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.