Finding the Fourth Proportional to 943,965.55, 1,302,674.84 and 514,248.81
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Solution
The fourth proportional to 943,965.55, 1,302,674.84 and 514,248.81 is: 709,664.65
Step by Step Solution
- Step 1: Write the proportion equation
943,965.55 : 1,302,674.84 = 514,248.81 : x - Step 2: Convert to fraction form
943,965.55/1,302,674.84 = 514,248.81/x - Step 3: Cross multiply
943,965.55x = 1,302,674.84 × 514,248.81 - Step 4: Simplify right side
943,965.55x = 669,898,986,286.94 - Step 5: Solve for x
x = 669,898,986,286.94/943,965.55 - Step 6: Final answer
x = 709,664.65
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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.