Finding the Fourth Proportional to 884,490.64, 1,326,728.67 and 253,405.06
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Solution
The fourth proportional to 884,490.64, 1,326,728.67 and 253,405.06 is: 380,105.49
Step by Step Solution
- Step 1: Write the proportion equation
884,490.64 : 1,326,728.67 = 253,405.06 : x - Step 2: Convert to fraction form
884,490.64/1,326,728.67 = 253,405.06/x - Step 3: Cross multiply
884,490.64x = 1,326,728.67 × 253,405.06 - Step 4: Simplify right side
884,490.64x = 336,199,750,324.40 - Step 5: Solve for x
x = 336,199,750,324.40/884,490.64 - Step 6: Final answer
x = 380,105.49
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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.