Finding the Fourth Proportional to 521,133.44, 718,181.28 and 417,650.09
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Solution
The fourth proportional to 521,133.44, 718,181.28 and 417,650.09 is: 575,569.43
Step by Step Solution
- Step 1: Write the proportion equation
521,133.44 : 718,181.28 = 417,650.09 : x - Step 2: Convert to fraction form
521,133.44/718,181.28 = 417,650.09/x - Step 3: Cross multiply
521,133.44x = 718,181.28 × 417,650.09 - Step 4: Simplify right side
521,133.44x = 299,948,472,637.41 - Step 5: Solve for x
x = 299,948,472,637.41/521,133.44 - Step 6: Final answer
x = 575,569.43
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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.