Finding the Fourth Proportional to 858,068.16, 1,189,559.12 and 812,567.62
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Solution
The fourth proportional to 858,068.16, 1,189,559.12 and 812,567.62 is: 1,126,480.70
Step by Step Solution
- Step 1: Write the proportion equation
858,068.16 : 1,189,559.12 = 812,567.62 : x - Step 2: Convert to fraction form
858,068.16/1,189,559.12 = 812,567.62/x - Step 3: Cross multiply
858,068.16x = 1,189,559.12 × 812,567.62 - Step 4: Simplify right side
858,068.16x = 966,597,222,987.70 - Step 5: Solve for x
x = 966,597,222,987.70/858,068.16 - Step 6: Final answer
x = 1,126,480.70
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.