Finding the Fourth Proportional to 808,165.98, 1,115,247.69 and 445,583.71
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Solution
The fourth proportional to 808,165.98, 1,115,247.69 and 445,583.71 is: 614,893.74
Step by Step Solution
- Step 1: Write the proportion equation
808,165.98 : 1,115,247.69 = 445,583.71 : x - Step 2: Convert to fraction form
808,165.98/1,115,247.69 = 445,583.71/x - Step 3: Cross multiply
808,165.98x = 1,115,247.69 × 445,583.71 - Step 4: Simplify right side
808,165.98x = 496,936,203,279.13 - Step 5: Solve for x
x = 496,936,203,279.13/808,165.98 - Step 6: Final answer
x = 614,893.74
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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.