Finding the Fourth Proportional to 525,232.68, 724,829.70 and 286,768.68
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Solution
The fourth proportional to 525,232.68, 724,829.70 and 286,768.68 is: 395,745.47
Step by Step Solution
- Step 1: Write the proportion equation
525,232.68 : 724,829.70 = 286,768.68 : x - Step 2: Convert to fraction form
525,232.68/724,829.70 = 286,768.68/x - Step 3: Cross multiply
525,232.68x = 724,829.70 × 286,768.68 - Step 4: Simplify right side
525,232.68x = 207,858,456,293.80 - Step 5: Solve for x
x = 207,858,456,293.80/525,232.68 - Step 6: Final answer
x = 395,745.47
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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.