Finding the Fourth Proportional to 845,153.28, 1,165,639.68 and 718,248.96
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Solution
The fourth proportional to 845,153.28, 1,165,639.68 and 718,248.96 is: 990,612.60
Step by Step Solution
- Step 1: Write the proportion equation
845,153.28 : 1,165,639.68 = 718,248.96 : x - Step 2: Convert to fraction form
845,153.28/1,165,639.68 = 718,248.96/x - Step 3: Cross multiply
845,153.28x = 1,165,639.68 × 718,248.96 - Step 4: Simplify right side
845,153.28x = 837,219,487,894.73 - Step 5: Solve for x
x = 837,219,487,894.73/845,153.28 - Step 6: Final answer
x = 990,612.60
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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.