Finding the Fourth Proportional to 602,627.20, 831,623.28 and 330,699.68
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Solution
The fourth proportional to 602,627.20, 831,623.28 and 330,699.68 is: 456,364.32
Step by Step Solution
- Step 1: Write the proportion equation
602,627.20 : 831,623.28 = 330,699.68 : x - Step 2: Convert to fraction form
602,627.20/831,623.28 = 330,699.68/x - Step 3: Cross multiply
602,627.20x = 831,623.28 × 330,699.68 - Step 4: Simplify right side
602,627.20x = 275,017,552,576.55 - Step 5: Solve for x
x = 275,017,552,576.55/602,627.20 - Step 6: Final answer
x = 456,364.32
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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.