Finding the Fourth Proportional to 979,540.13, 1,351,691.20 and 549,737.26
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Solution
The fourth proportional to 979,540.13, 1,351,691.20 and 549,737.26 is: 758,595.79
Step by Step Solution
- Step 1: Write the proportion equation
979,540.13 : 1,351,691.20 = 549,737.26 : x - Step 2: Convert to fraction form
979,540.13/1,351,691.20 = 549,737.26/x - Step 3: Cross multiply
979,540.13x = 1,351,691.20 × 549,737.26 - Step 4: Simplify right side
979,540.13x = 743,075,016,654.11 - Step 5: Solve for x
x = 743,075,016,654.11/979,540.13 - Step 6: Final answer
x = 758,595.79
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.