Finding the Fourth Proportional to 864,090.60, 1,296,135.90 and 508,921.80
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Solution
The fourth proportional to 864,090.60, 1,296,135.90 and 508,921.80 is: 763,382.70
Step by Step Solution
- Step 1: Write the proportion equation
864,090.60 : 1,296,135.90 = 508,921.80 : x - Step 2: Convert to fraction form
864,090.60/1,296,135.90 = 508,921.80/x - Step 3: Cross multiply
864,090.60x = 1,296,135.90 × 508,921.80 - Step 4: Simplify right side
864,090.60x = 659,631,815,272.62 - Step 5: Solve for x
x = 659,631,815,272.62/864,090.60 - Step 6: Final answer
x = 763,382.70
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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.