Home / 883,858.85-1,325,245.69-343,484.17

Finding the Fourth Proportional to 883,858.85, 1,325,245.69 and 343,484.17

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Solution

The fourth proportional to 883,858.85, 1,325,245.69 and 343,484.17 is: 515,015.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,858.85 : 1,325,245.69 = 343,484.17 : x
  2. Step 2: Convert to fraction form
    883,858.85/1,325,245.69 = 343,484.17/x
  3. Step 3: Cross multiply
    883,858.85x = 1,325,245.69 × 343,484.17
  4. Step 4: Simplify right side
    883,858.85x = 455,200,920,047.55
  5. Step 5: Solve for x
    x = 455,200,920,047.55/883,858.85
  6. Step 6: Final answer
    x = 515,015.40

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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.