Finding the Fourth Proportional to 528,262.30, 729,132.06 and 324,362.08
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Solution
The fourth proportional to 528,262.30, 729,132.06 and 324,362.08 is: 447,699.55
Step by Step Solution
- Step 1: Write the proportion equation
528,262.30 : 729,132.06 = 324,362.08 : x - Step 2: Convert to fraction form
528,262.30/729,132.06 = 324,362.08/x - Step 3: Cross multiply
528,262.30x = 729,132.06 × 324,362.08 - Step 4: Simplify right side
528,262.30x = 236,502,791,576.29 - Step 5: Solve for x
x = 236,502,791,576.29/528,262.30 - Step 6: Final answer
x = 447,699.55
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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.