Finding the Fourth Proportional to 906,752.84, 1,251,318.91 and 498,845.93
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Solution
The fourth proportional to 906,752.84, 1,251,318.91 and 498,845.93 is: 688,407.38
Step by Step Solution
- Step 1: Write the proportion equation
906,752.84 : 1,251,318.91 = 498,845.93 : x - Step 2: Convert to fraction form
906,752.84/1,251,318.91 = 498,845.93/x - Step 3: Cross multiply
906,752.84x = 1,251,318.91 × 498,845.93 - Step 4: Simplify right side
906,752.84x = 624,215,342,891.31 - Step 5: Solve for x
x = 624,215,342,891.31/906,752.84 - Step 6: Final answer
x = 688,407.38
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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.