Finding the Fourth Proportional to 985,965.41, 1,360,694.49 and 556,088.69
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Solution
The fourth proportional to 985,965.41, 1,360,694.49 and 556,088.69 is: 767,437.49
Step by Step Solution
- Step 1: Write the proportion equation
985,965.41 : 1,360,694.49 = 556,088.69 : x - Step 2: Convert to fraction form
985,965.41/1,360,694.49 = 556,088.69/x - Step 3: Cross multiply
985,965.41x = 1,360,694.49 × 556,088.69 - Step 4: Simplify right side
985,965.41x = 756,666,816,434.32 - Step 5: Solve for x
x = 756,666,816,434.32/985,965.41 - Step 6: Final answer
x = 767,437.49
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.