Finding the Fourth Proportional to 602,192.40, 831,036.17 and 330,257.92
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Solution
The fourth proportional to 602,192.40, 831,036.17 and 330,257.92 is: 455,761.77
Step by Step Solution
- Step 1: Write the proportion equation
602,192.40 : 831,036.17 = 330,257.92 : x - Step 2: Convert to fraction form
602,192.40/831,036.17 = 330,257.92/x - Step 3: Cross multiply
602,192.40x = 831,036.17 × 330,257.92 - Step 4: Simplify right side
602,192.40x = 274,456,276,948.97 - Step 5: Solve for x
x = 274,456,276,948.97/602,192.40 - Step 6: Final answer
x = 455,761.77
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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.