Finding the Fourth Proportional to 636,335.59, 878,120.68 and 349,853.48
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Solution
The fourth proportional to 636,335.59, 878,120.68 and 349,853.48 is: 482,785.46
Step by Step Solution
- Step 1: Write the proportion equation
636,335.59 : 878,120.68 = 349,853.48 : x - Step 2: Convert to fraction form
636,335.59/878,120.68 = 349,853.48/x - Step 3: Cross multiply
636,335.59x = 878,120.68 × 349,853.48 - Step 4: Simplify right side
636,335.59x = 307,213,569,618.10 - Step 5: Solve for x
x = 307,213,569,618.10/636,335.59 - Step 6: Final answer
x = 482,785.46
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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.