Finding the Fourth Proportional to 787,390.44, 1,179,309.98 and 365,779.08
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Solution
The fourth proportional to 787,390.44, 1,179,309.98 and 365,779.08 is: 547,843.73
Step by Step Solution
- Step 1: Write the proportion equation
787,390.44 : 1,179,309.98 = 365,779.08 : x - Step 2: Convert to fraction form
787,390.44/1,179,309.98 = 365,779.08/x - Step 3: Cross multiply
787,390.44x = 1,179,309.98 × 365,779.08 - Step 4: Simplify right side
787,390.44x = 431,366,919,519.22 - Step 5: Solve for x
x = 431,366,919,519.22/787,390.44 - Step 6: Final answer
x = 547,843.73
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.