Finding the Fourth Proportional to 602,449.16, 831,433.61 and 330,569.99
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Solution
The fourth proportional to 602,449.16, 831,433.61 and 330,569.99 is: 456,216.08
Step by Step Solution
- Step 1: Write the proportion equation
602,449.16 : 831,433.61 = 330,569.99 : x - Step 2: Convert to fraction form
602,449.16/831,433.61 = 330,569.99/x - Step 3: Cross multiply
602,449.16x = 831,433.61 × 330,569.99 - Step 4: Simplify right side
602,449.16x = 274,846,994,333.35 - Step 5: Solve for x
x = 274,846,994,333.35/602,449.16 - Step 6: Final answer
x = 456,216.08
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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.