Finding the Fourth Proportional to 528,599.96, 729,467.65 and 299,153.08
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Solution
The fourth proportional to 528,599.96, 729,467.65 and 299,153.08 is: 412,831.08
Step by Step Solution
- Step 1: Write the proportion equation
528,599.96 : 729,467.65 = 299,153.08 : x - Step 2: Convert to fraction form
528,599.96/729,467.65 = 299,153.08/x - Step 3: Cross multiply
528,599.96x = 729,467.65 × 299,153.08 - Step 4: Simplify right side
528,599.96x = 218,222,491,686.31 - Step 5: Solve for x
x = 218,222,491,686.31/528,599.96 - Step 6: Final answer
x = 412,831.08
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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.