Finding the Fourth Proportional to 611,774.14, 916,625.60 and 374,621.52
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Solution
The fourth proportional to 611,774.14, 916,625.60 and 374,621.52 is: 561,298.12
Step by Step Solution
- Step 1: Write the proportion equation
611,774.14 : 916,625.60 = 374,621.52 : x - Step 2: Convert to fraction form
611,774.14/916,625.60 = 374,621.52/x - Step 3: Cross multiply
611,774.14x = 916,625.60 × 374,621.52 - Step 4: Simplify right side
611,774.14x = 343,387,675,542.91 - Step 5: Solve for x
x = 343,387,675,542.91/611,774.14 - Step 6: Final answer
x = 561,298.12
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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.