Finding the Fourth Proportional to 877,844.36, 1,211,410.62 and 490,668.84
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Solution
The fourth proportional to 877,844.36, 1,211,410.62 and 490,668.84 is: 677,114.84
Step by Step Solution
- Step 1: Write the proportion equation
877,844.36 : 1,211,410.62 = 490,668.84 : x - Step 2: Convert to fraction form
877,844.36/1,211,410.62 = 490,668.84/x - Step 3: Cross multiply
877,844.36x = 1,211,410.62 × 490,668.84 - Step 4: Simplify right side
877,844.36x = 594,401,443,679.08 - Step 5: Solve for x
x = 594,401,443,679.08/877,844.36 - Step 6: Final answer
x = 677,114.84
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.