Finding the Fourth Proportional to 888,716.68, 1,226,428.36 and 480,818.70
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Solution
The fourth proportional to 888,716.68, 1,226,428.36 and 480,818.70 is: 663,529.45
Step by Step Solution
- Step 1: Write the proportion equation
888,716.68 : 1,226,428.36 = 480,818.70 : x - Step 2: Convert to fraction form
888,716.68/1,226,428.36 = 480,818.70/x - Step 3: Cross multiply
888,716.68x = 1,226,428.36 × 480,818.70 - Step 4: Simplify right side
888,716.68x = 589,689,688,496.29 - Step 5: Solve for x
x = 589,689,688,496.29/888,716.68 - Step 6: Final answer
x = 663,529.45
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1.5x scale
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.