Finding the Fourth Proportional to 825,670.80, 1,241,305.80 and 659,316.24
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Solution
The fourth proportional to 825,670.80, 1,241,305.80 and 659,316.24 is: 991,209.90
Step by Step Solution
- Step 1: Write the proportion equation
825,670.80 : 1,241,305.80 = 659,316.24 : x - Step 2: Convert to fraction form
825,670.80/1,241,305.80 = 659,316.24/x - Step 3: Cross multiply
825,670.80x = 1,241,305.80 × 659,316.24 - Step 4: Simplify right side
825,670.80x = 818,413,072,746.19 - Step 5: Solve for x
x = 818,413,072,746.19/825,670.80 - Step 6: Final answer
x = 991,209.90
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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.