Finding the Fourth Proportional to 633,966.30, 874,963.08 and 392,326.62
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Solution
The fourth proportional to 633,966.30, 874,963.08 and 392,326.62 is: 541,466.18
Step by Step Solution
- Step 1: Write the proportion equation
633,966.30 : 874,963.08 = 392,326.62 : x - Step 2: Convert to fraction form
633,966.30/874,963.08 = 392,326.62/x - Step 3: Cross multiply
633,966.30x = 874,963.08 × 392,326.62 - Step 4: Simplify right side
633,966.30x = 343,271,307,801.19 - Step 5: Solve for x
x = 343,271,307,801.19/633,966.30 - Step 6: Final answer
x = 541,466.18
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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.