Finding the Fourth Proportional to 528,097.47, 728,720.93 and 324,156.99
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Solution
The fourth proportional to 528,097.47, 728,720.93 and 324,156.99 is: 447,303.75
Step by Step Solution
- Step 1: Write the proportion equation
528,097.47 : 728,720.93 = 324,156.99 : x - Step 2: Convert to fraction form
528,097.47/728,720.93 = 324,156.99/x - Step 3: Cross multiply
528,097.47x = 728,720.93 × 324,156.99 - Step 4: Simplify right side
528,097.47x = 236,219,981,751.15 - Step 5: Solve for x
x = 236,219,981,751.15/528,097.47 - Step 6: Final answer
x = 447,303.75
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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.