Finding the Fourth Proportional to 645,479.24, 967,333.08 and 408,397.50
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Solution
The fourth proportional to 645,479.24, 967,333.08 and 408,397.50 is: 612,035.82
Step by Step Solution
- Step 1: Write the proportion equation
645,479.24 : 967,333.08 = 408,397.50 : x - Step 2: Convert to fraction form
645,479.24/967,333.08 = 408,397.50/x - Step 3: Cross multiply
645,479.24x = 967,333.08 × 408,397.50 - Step 4: Simplify right side
645,479.24x = 395,056,411,539.30 - Step 5: Solve for x
x = 395,056,411,539.30/645,479.24 - Step 6: Final answer
x = 612,035.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.