Finding the Fourth Proportional to 893,054.16, 1,232,409.84 and 485,152.80
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Solution
The fourth proportional to 893,054.16, 1,232,409.84 and 485,152.80 is: 669,508.20
Step by Step Solution
- Step 1: Write the proportion equation
893,054.16 : 1,232,409.84 = 485,152.80 : x - Step 2: Convert to fraction form
893,054.16/1,232,409.84 = 485,152.80/x - Step 3: Cross multiply
893,054.16x = 1,232,409.84 × 485,152.80 - Step 4: Simplify right side
893,054.16x = 597,907,084,623.55 - Step 5: Solve for x
x = 597,907,084,623.55/893,054.16 - Step 6: Final answer
x = 669,508.20
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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.