Finding the Fourth Proportional to 439,445.24, 605,349.81 and 374,703.77
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Solution
The fourth proportional to 439,445.24, 605,349.81 and 374,703.77 is: 516,166.37
Step by Step Solution
- Step 1: Write the proportion equation
439,445.24 : 605,349.81 = 374,703.77 : x - Step 2: Convert to fraction form
439,445.24/605,349.81 = 374,703.77/x - Step 3: Cross multiply
439,445.24x = 605,349.81 × 374,703.77 - Step 4: Simplify right side
439,445.24x = 226,826,855,975.78 - Step 5: Solve for x
x = 226,826,855,975.78/439,445.24 - Step 6: Final answer
x = 516,166.37
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1.5x scale
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.