Finding the Fourth Proportional to 979,538.13, 1,351,688.45 and 549,735.26
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Solution
The fourth proportional to 979,538.13, 1,351,688.45 and 549,735.26 is: 758,593.02
Step by Step Solution
- Step 1: Write the proportion equation
979,538.13 : 1,351,688.45 = 549,735.26 : x - Step 2: Convert to fraction form
979,538.13/1,351,688.45 = 549,735.26/x - Step 3: Cross multiply
979,538.13x = 1,351,688.45 × 549,735.26 - Step 4: Simplify right side
979,538.13x = 743,070,791,992.63 - Step 5: Solve for x
x = 743,070,791,992.63/979,538.13 - Step 6: Final answer
x = 758,593.02
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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.