Finding the Fourth Proportional to 774,492.21, 1,068,795.75 and 430,384.14
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Solution
The fourth proportional to 774,492.21, 1,068,795.75 and 430,384.14 is: 593,928.17
Step by Step Solution
- Step 1: Write the proportion equation
774,492.21 : 1,068,795.75 = 430,384.14 : x - Step 2: Convert to fraction form
774,492.21/1,068,795.75 = 430,384.14/x - Step 3: Cross multiply
774,492.21x = 1,068,795.75 × 430,384.14 - Step 4: Simplify right side
774,492.21x = 459,992,739,699.41 - Step 5: Solve for x
x = 459,992,739,699.41/774,492.21 - Step 6: Final answer
x = 593,928.17
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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.