Finding the Fourth Proportional to 888,346.16, 1,225,917.69 and 480,447.99
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Solution
The fourth proportional to 888,346.16, 1,225,917.69 and 480,447.99 is: 663,018.22
Step by Step Solution
- Step 1: Write the proportion equation
888,346.16 : 1,225,917.69 = 480,447.99 : x - Step 2: Convert to fraction form
888,346.16/1,225,917.69 = 480,447.99/x - Step 3: Cross multiply
888,346.16x = 1,225,917.69 × 480,447.99 - Step 4: Simplify right side
888,346.16x = 588,989,690,065.94 - Step 5: Solve for x
x = 588,989,690,065.94/888,346.16 - Step 6: Final answer
x = 663,018.22
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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.