Finding the Fourth Proportional to 644,726.17, 967,282.44 and 260,277.09
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Solution
The fourth proportional to 644,726.17, 967,282.44 and 260,277.09 is: 390,493.62
Step by Step Solution
- Step 1: Write the proportion equation
644,726.17 : 967,282.44 = 260,277.09 : x - Step 2: Convert to fraction form
644,726.17/967,282.44 = 260,277.09/x - Step 3: Cross multiply
644,726.17x = 967,282.44 × 260,277.09 - Step 4: Simplify right side
644,726.17x = 251,761,458,691.30 - Step 5: Solve for x
x = 251,761,458,691.30/644,726.17 - Step 6: Final answer
x = 390,493.62
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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.