Finding the Fourth Proportional to 767,827.68, 1,151,249.42 and 318,858.45
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Solution
The fourth proportional to 767,827.68, 1,151,249.42 and 318,858.45 is: 478,083.32
Step by Step Solution
- Step 1: Write the proportion equation
767,827.68 : 1,151,249.42 = 318,858.45 : x - Step 2: Convert to fraction form
767,827.68/1,151,249.42 = 318,858.45/x - Step 3: Cross multiply
767,827.68x = 1,151,249.42 × 318,858.45 - Step 4: Simplify right side
767,827.68x = 367,085,604,030.31 - Step 5: Solve for x
x = 367,085,604,030.31/767,827.68 - Step 6: Final answer
x = 478,083.32
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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.