Home / 723,987.10-1,086,499.05-303,564.70

Finding the Fourth Proportional to 723,987.10, 1,086,499.05 and 303,564.70

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Solution

The fourth proportional to 723,987.10, 1,086,499.05 and 303,564.70 is: 455,564.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,987.10 : 1,086,499.05 = 303,564.70 : x
  2. Step 2: Convert to fraction form
    723,987.10/1,086,499.05 = 303,564.70/x
  3. Step 3: Cross multiply
    723,987.10x = 1,086,499.05 × 303,564.70
  4. Step 4: Simplify right side
    723,987.10x = 329,822,758,163.54
  5. Step 5: Solve for x
    x = 329,822,758,163.54/723,987.10
  6. Step 6: Final answer
    x = 455,564.41

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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.