Home / 776,146.07-1,164,219.41-349,183.28

Finding the Fourth Proportional to 776,146.07, 1,164,219.41 and 349,183.28

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Solution

The fourth proportional to 776,146.07, 1,164,219.41 and 349,183.28 is: 523,775.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,146.07 : 1,164,219.41 = 349,183.28 : x
  2. Step 2: Convert to fraction form
    776,146.07/1,164,219.41 = 349,183.28/x
  3. Step 3: Cross multiply
    776,146.07x = 1,164,219.41 × 349,183.28
  4. Step 4: Simplify right side
    776,146.07x = 406,525,950,477.55
  5. Step 5: Solve for x
    x = 406,525,950,477.55/776,146.07
  6. Step 6: Final answer
    x = 523,775.05

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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.