Finding the Fourth Proportional to 809,637.84, 1,214,454.20 and 218,661.84
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Solution
The fourth proportional to 809,637.84, 1,214,454.20 and 218,661.84 is: 327,992.07
Step by Step Solution
- Step 1: Write the proportion equation
809,637.84 : 1,214,454.20 = 218,661.84 : x - Step 2: Convert to fraction form
809,637.84/1,214,454.20 = 218,661.84/x - Step 3: Cross multiply
809,637.84x = 1,214,454.20 × 218,661.84 - Step 4: Simplify right side
809,637.84x = 265,554,789,967.73 - Step 5: Solve for x
x = 265,554,789,967.73/809,637.84 - Step 6: Final answer
x = 327,992.07
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1.5x scale
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.