Finding the Fourth Proportional to 644,325.91, 965,574.88 and 474,514.47
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Solution
The fourth proportional to 644,325.91, 965,574.88 and 474,514.47 is: 711,098.60
Step by Step Solution
- Step 1: Write the proportion equation
644,325.91 : 965,574.88 = 474,514.47 : x - Step 2: Convert to fraction form
644,325.91/965,574.88 = 474,514.47/x - Step 3: Cross multiply
644,325.91x = 965,574.88 × 474,514.47 - Step 4: Simplify right side
644,325.91x = 458,179,251,242.23 - Step 5: Solve for x
x = 458,179,251,242.23/644,325.91 - Step 6: Final answer
x = 711,098.60
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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.