Finding the Fourth Proportional to 636,344.60, 878,133.10 and 349,862.48
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Solution
The fourth proportional to 636,344.60, 878,133.10 and 349,862.48 is: 482,797.88
Step by Step Solution
- Step 1: Write the proportion equation
636,344.60 : 878,133.10 = 349,862.48 : x - Step 2: Convert to fraction form
636,344.60/878,133.10 = 349,862.48/x - Step 3: Cross multiply
636,344.60x = 878,133.10 × 349,862.48 - Step 4: Simplify right side
636,344.60x = 307,225,824,136.09 - Step 5: Solve for x
x = 307,225,824,136.09/636,344.60 - Step 6: Final answer
x = 482,797.88
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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.