Finding the Fourth Proportional to 888,135.02, 1,225,633.24 and 490,325.82
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Solution
The fourth proportional to 888,135.02, 1,225,633.24 and 490,325.82 is: 676,653.45
Step by Step Solution
- Step 1: Write the proportion equation
888,135.02 : 1,225,633.24 = 490,325.82 : x - Step 2: Convert to fraction form
888,135.02/1,225,633.24 = 490,325.82/x - Step 3: Cross multiply
888,135.02x = 1,225,633.24 × 490,325.82 - Step 4: Simplify right side
888,135.02x = 600,959,627,712.15 - Step 5: Solve for x
x = 600,959,627,712.15/888,135.02 - Step 6: Final answer
x = 676,653.45
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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.