Home / 863,017.12-1,191,003.96-481,046.68

Finding the Fourth Proportional to 863,017.12, 1,191,003.96 and 481,046.68

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Solution

The fourth proportional to 863,017.12, 1,191,003.96 and 481,046.68 is: 663,866.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,017.12 : 1,191,003.96 = 481,046.68 : x
  2. Step 2: Convert to fraction form
    863,017.12/1,191,003.96 = 481,046.68/x
  3. Step 3: Cross multiply
    863,017.12x = 1,191,003.96 × 481,046.68
  4. Step 4: Simplify right side
    863,017.12x = 572,928,500,824.85
  5. Step 5: Solve for x
    x = 572,928,500,824.85/863,017.12
  6. Step 6: Final answer
    x = 663,866.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.