Finding the Fourth Proportional to 747,941.22, 1,121,244.93 and 274,516.74
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Solution
The fourth proportional to 747,941.22, 1,121,244.93 and 274,516.74 is: 411,530.34
Step by Step Solution
- Step 1: Write the proportion equation
747,941.22 : 1,121,244.93 = 274,516.74 : x - Step 2: Convert to fraction form
747,941.22/1,121,244.93 = 274,516.74/x - Step 3: Cross multiply
747,941.22x = 1,121,244.93 × 274,516.74 - Step 4: Simplify right side
747,941.22x = 307,800,502,925.13 - Step 5: Solve for x
x = 307,800,502,925.13/747,941.22 - Step 6: Final answer
x = 411,530.34
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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.