Finding the Fourth Proportional to 888,422.68, 1,226,052.30 and 486,014.68
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Solution
The fourth proportional to 888,422.68, 1,226,052.30 and 486,014.68 is: 670,716.12
Step by Step Solution
- Step 1: Write the proportion equation
888,422.68 : 1,226,052.30 = 486,014.68 : x - Step 2: Convert to fraction form
888,422.68/1,226,052.30 = 486,014.68/x - Step 3: Cross multiply
888,422.68x = 1,226,052.30 × 486,014.68 - Step 4: Simplify right side
888,422.68x = 595,879,416,247.76 - Step 5: Solve for x
x = 595,879,416,247.76/888,422.68 - Step 6: Final answer
x = 670,716.12
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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.