Finding the Fourth Proportional to 602,714.95, 831,744.11 and 330,787.28
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Solution
The fourth proportional to 602,714.95, 831,744.11 and 330,787.28 is: 456,485.07
Step by Step Solution
- Step 1: Write the proportion equation
602,714.95 : 831,744.11 = 330,787.28 : x - Step 2: Convert to fraction form
602,714.95/831,744.11 = 330,787.28/x - Step 3: Cross multiply
602,714.95x = 831,744.11 × 330,787.28 - Step 4: Simplify right side
602,714.95x = 275,130,374,709.25 - Step 5: Solve for x
x = 275,130,374,709.25/602,714.95 - Step 6: Final answer
x = 456,485.07
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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.