Home / 776,108.95-1,164,163.74-349,146.06

Finding the Fourth Proportional to 776,108.95, 1,164,163.74 and 349,146.06

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Solution

The fourth proportional to 776,108.95, 1,164,163.74 and 349,146.06 is: 523,719.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,108.95 : 1,164,163.74 = 349,146.06 : x
  2. Step 2: Convert to fraction form
    776,108.95/1,164,163.74 = 349,146.06/x
  3. Step 3: Cross multiply
    776,108.95x = 1,164,163.74 × 349,146.06
  4. Step 4: Simplify right side
    776,108.95x = 406,463,183,015.86
  5. Step 5: Solve for x
    x = 406,463,183,015.86/776,108.95
  6. Step 6: Final answer
    x = 523,719.23

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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.