Finding the Fourth Proportional to 801,189.66, 1,106,391.18 and 515,206.62
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Solution
The fourth proportional to 801,189.66, 1,106,391.18 and 515,206.62 is: 711,467.07
Step by Step Solution
- Step 1: Write the proportion equation
801,189.66 : 1,106,391.18 = 515,206.62 : x - Step 2: Convert to fraction form
801,189.66/1,106,391.18 = 515,206.62/x - Step 3: Cross multiply
801,189.66x = 1,106,391.18 × 515,206.62 - Step 4: Simplify right side
801,189.66x = 570,020,060,245.61 - Step 5: Solve for x
x = 570,020,060,245.61/801,189.66 - Step 6: Final answer
x = 711,467.07
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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.