Finding the Fourth Proportional to 875,639.80, 1,313,459.70 and 560,711.80
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Solution
The fourth proportional to 875,639.80, 1,313,459.70 and 560,711.80 is: 841,067.70
Step by Step Solution
- Step 1: Write the proportion equation
875,639.80 : 1,313,459.70 = 560,711.80 : x - Step 2: Convert to fraction form
875,639.80/1,313,459.70 = 560,711.80/x - Step 3: Cross multiply
875,639.80x = 1,313,459.70 × 560,711.80 - Step 4: Simplify right side
875,639.80x = 736,472,352,614.46 - Step 5: Solve for x
x = 736,472,352,614.46/875,639.80 - Step 6: Final answer
x = 841,067.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.