Finding the Fourth Proportional to 543,813.06, 750,483.30 and 372,091.19
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Solution
The fourth proportional to 543,813.06, 750,483.30 and 372,091.19 is: 513,500.39
Step by Step Solution
- Step 1: Write the proportion equation
543,813.06 : 750,483.30 = 372,091.19 : x - Step 2: Convert to fraction form
543,813.06/750,483.30 = 372,091.19/x - Step 3: Cross multiply
543,813.06x = 750,483.30 × 372,091.19 - Step 4: Simplify right side
543,813.06x = 279,248,220,419.71 - Step 5: Solve for x
x = 279,248,220,419.71/543,813.06 - Step 6: Final answer
x = 513,500.39
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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.