Finding the Fourth Proportional to 864,454.98, 1,296,664.37 and 288,119.99
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Solution
The fourth proportional to 864,454.98, 1,296,664.37 and 288,119.99 is: 432,173.95
Step by Step Solution
- Step 1: Write the proportion equation
864,454.98 : 1,296,664.37 = 288,119.99 : x - Step 2: Convert to fraction form
864,454.98/1,296,664.37 = 288,119.99/x - Step 3: Cross multiply
864,454.98x = 1,296,664.37 × 288,119.99 - Step 4: Simplify right side
864,454.98x = 373,594,928,199.27 - Step 5: Solve for x
x = 373,594,928,199.27/864,454.98 - Step 6: Final answer
x = 432,173.95
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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.