Finding the Fourth Proportional to 602,734.15, 831,824.18 and 330,848.09
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Solution
The fourth proportional to 602,734.15, 831,824.18 and 330,848.09 is: 456,598.39
Step by Step Solution
- Step 1: Write the proportion equation
602,734.15 : 831,824.18 = 330,848.09 : x - Step 2: Convert to fraction form
602,734.15/831,824.18 = 330,848.09/x - Step 3: Cross multiply
602,734.15x = 831,824.18 × 330,848.09 - Step 4: Simplify right side
602,734.15x = 275,207,441,168.82 - Step 5: Solve for x
x = 275,207,441,168.82/602,734.15 - Step 6: Final answer
x = 456,598.39
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1.5x scale
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.