Finding the Fourth Proportional to 698,613.12, 1,047,926.34 and 382,897.80
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Solution
The fourth proportional to 698,613.12, 1,047,926.34 and 382,897.80 is: 574,350.35
Step by Step Solution
- Step 1: Write the proportion equation
698,613.12 : 1,047,926.34 = 382,897.80 : x - Step 2: Convert to fraction form
698,613.12/1,047,926.34 = 382,897.80/x - Step 3: Cross multiply
698,613.12x = 1,047,926.34 × 382,897.80 - Step 4: Simplify right side
698,613.12x = 401,248,690,148.05 - Step 5: Solve for x
x = 401,248,690,148.05/698,613.12 - Step 6: Final answer
x = 574,350.35
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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.