Home / 723,986.10-1,086,497.55-303,563.70

Finding the Fourth Proportional to 723,986.10, 1,086,497.55 and 303,563.70

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Solution

The fourth proportional to 723,986.10, 1,086,497.55 and 303,563.70 is: 455,562.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,986.10 : 1,086,497.55 = 303,563.70 : x
  2. Step 2: Convert to fraction form
    723,986.10/1,086,497.55 = 303,563.70/x
  3. Step 3: Cross multiply
    723,986.10x = 1,086,497.55 × 303,563.70
  4. Step 4: Simplify right side
    723,986.10x = 329,821,216,318.94
  5. Step 5: Solve for x
    x = 329,821,216,318.94/723,986.10
  6. Step 6: Final answer
    x = 455,562.91

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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.