Finding the Fourth Proportional to 943,964.70, 1,302,666.18 and 514,243.80
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Solution
The fourth proportional to 943,964.70, 1,302,666.18 and 514,243.80 is: 709,653.66
Step by Step Solution
- Step 1: Write the proportion equation
943,964.70 : 1,302,666.18 = 514,243.80 : x - Step 2: Convert to fraction form
943,964.70/1,302,666.18 = 514,243.80/x - Step 3: Cross multiply
943,964.70x = 1,302,666.18 × 514,243.80 - Step 4: Simplify right side
943,964.70x = 669,888,006,534.68 - Step 5: Solve for x
x = 669,888,006,534.68/943,964.70 - Step 6: Final answer
x = 709,653.66
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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.