Finding the Fourth Proportional to 602,804.68, 831,881.21 and 330,897.88
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Solution
The fourth proportional to 602,804.68, 831,881.21 and 330,897.88 is: 456,644.98
Step by Step Solution
- Step 1: Write the proportion equation
602,804.68 : 831,881.21 = 330,897.88 : x - Step 2: Convert to fraction form
602,804.68/831,881.21 = 330,897.88/x - Step 3: Cross multiply
602,804.68x = 831,881.21 × 330,897.88 - Step 4: Simplify right side
602,804.68x = 275,267,733,317.81 - Step 5: Solve for x
x = 275,267,733,317.81/602,804.68 - Step 6: Final answer
x = 456,644.98
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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.