Home / 874,055.95-1,311,249.30-341,543.32

Finding the Fourth Proportional to 874,055.95, 1,311,249.30 and 341,543.32

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Solution

The fourth proportional to 874,055.95, 1,311,249.30 and 341,543.32 is: 512,379.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,055.95 : 1,311,249.30 = 341,543.32 : x
  2. Step 2: Convert to fraction form
    874,055.95/1,311,249.30 = 341,543.32/x
  3. Step 3: Cross multiply
    874,055.95x = 1,311,249.30 × 341,543.32
  4. Step 4: Simplify right side
    874,055.95x = 447,848,439,269.68
  5. Step 5: Solve for x
    x = 447,848,439,269.68/874,055.95
  6. Step 6: Final answer
    x = 512,379.60

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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.