Finding the Fourth Proportional to 801,272.08, 1,106,504.76 and 515,288.62
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Solution
The fourth proportional to 801,272.08, 1,106,504.76 and 515,288.62 is: 711,580.15
Step by Step Solution
- Step 1: Write the proportion equation
801,272.08 : 1,106,504.76 = 515,288.62 : x - Step 2: Convert to fraction form
801,272.08/1,106,504.76 = 515,288.62/x - Step 3: Cross multiply
801,272.08x = 1,106,504.76 × 515,288.62 - Step 4: Simplify right side
801,272.08x = 570,169,310,803.83 - Step 5: Solve for x
x = 570,169,310,803.83/801,272.08 - Step 6: Final answer
x = 711,580.15
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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.