Finding the Fourth Proportional to 543,899.79, 750,537.71 and 314,471.81
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Solution
The fourth proportional to 543,899.79, 750,537.71 and 314,471.81 is: 433,945.65
Step by Step Solution
- Step 1: Write the proportion equation
543,899.79 : 750,537.71 = 314,471.81 : x - Step 2: Convert to fraction form
543,899.79/750,537.71 = 314,471.81/x - Step 3: Cross multiply
543,899.79x = 750,537.71 × 314,471.81 - Step 4: Simplify right side
543,899.79x = 236,022,946,811.91 - Step 5: Solve for x
x = 236,022,946,811.91/543,899.79 - Step 6: Final answer
x = 433,945.65
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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.