Finding the Fourth Proportional to 888,540.12, 1,226,215.98 and 486,132.12
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Solution
The fourth proportional to 888,540.12, 1,226,215.98 and 486,132.12 is: 670,879.08
Step by Step Solution
- Step 1: Write the proportion equation
888,540.12 : 1,226,215.98 = 486,132.12 : x - Step 2: Convert to fraction form
888,540.12/1,226,215.98 = 486,132.12/x - Step 3: Cross multiply
888,540.12x = 1,226,215.98 × 486,132.12 - Step 4: Simplify right side
888,540.12x = 596,102,973,935.28 - Step 5: Solve for x
x = 596,102,973,935.28/888,540.12 - Step 6: Final answer
x = 670,879.08
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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.