Finding the Fourth Proportional to 636,853.74, 878,852.97 and 361,263.96
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Solution
The fourth proportional to 636,853.74, 878,852.97 and 361,263.96 is: 498,541.32
Step by Step Solution
- Step 1: Write the proportion equation
636,853.74 : 878,852.97 = 361,263.96 : x - Step 2: Convert to fraction form
636,853.74/878,852.97 = 361,263.96/x - Step 3: Cross multiply
636,853.74x = 878,852.97 × 361,263.96 - Step 4: Simplify right side
636,853.74x = 317,497,904,199.96 - Step 5: Solve for x
x = 317,497,904,199.96/636,853.74 - Step 6: Final answer
x = 498,541.32
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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.