Finding the Fourth Proportional to 665,822.93, 918,842.34 and 359,905.23
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Solution
The fourth proportional to 665,822.93, 918,842.34 and 359,905.23 is: 496,672.84
Step by Step Solution
- Step 1: Write the proportion equation
665,822.93 : 918,842.34 = 359,905.23 : x - Step 2: Convert to fraction form
665,822.93/918,842.34 = 359,905.23/x - Step 3: Cross multiply
665,822.93x = 918,842.34 × 359,905.23 - Step 4: Simplify right side
665,822.93x = 330,696,163,711.44 - Step 5: Solve for x
x = 330,696,163,711.44/665,822.93 - Step 6: Final answer
x = 496,672.84
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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.