Finding the Fourth Proportional to 849,543.70, 1,274,315.55 and 471,630.10
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Solution
The fourth proportional to 849,543.70, 1,274,315.55 and 471,630.10 is: 707,445.15
Step by Step Solution
- Step 1: Write the proportion equation
849,543.70 : 1,274,315.55 = 471,630.10 : x - Step 2: Convert to fraction form
849,543.70/1,274,315.55 = 471,630.10/x - Step 3: Cross multiply
849,543.70x = 1,274,315.55 × 471,630.10 - Step 4: Simplify right side
849,543.70x = 601,005,570,278.06 - Step 5: Solve for x
x = 601,005,570,278.06/849,543.70 - Step 6: Final answer
x = 707,445.15
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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.