Finding the Fourth Proportional to 602,657.68, 831,659.88 and 330,728.08
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Solution
The fourth proportional to 602,657.68, 831,659.88 and 330,728.08 is: 456,400.51
Step by Step Solution
- Step 1: Write the proportion equation
602,657.68 : 831,659.88 = 330,728.08 : x - Step 2: Convert to fraction form
602,657.68/831,659.88 = 330,728.08/x - Step 3: Cross multiply
602,657.68x = 831,659.88 × 330,728.08 - Step 4: Simplify right side
602,657.68x = 275,053,275,325.43 - Step 5: Solve for x
x = 275,053,275,325.43/602,657.68 - Step 6: Final answer
x = 456,400.51
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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.