Finding the Fourth Proportional to 788,493.60, 1,181,379.60 and 366,904.80
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Solution
The fourth proportional to 788,493.60, 1,181,379.60 and 366,904.80 is: 549,723.99
Step by Step Solution
- Step 1: Write the proportion equation
788,493.60 : 1,181,379.60 = 366,904.80 : x - Step 2: Convert to fraction form
788,493.60/1,181,379.60 = 366,904.80/x - Step 3: Cross multiply
788,493.60x = 1,181,379.60 × 366,904.80 - Step 4: Simplify right side
788,493.60x = 433,453,845,862.08 - Step 5: Solve for x
x = 433,453,845,862.08/788,493.60 - Step 6: Final answer
x = 549,723.99
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1.5x scale
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.