Finding the Fourth Proportional to 860,052.88, 1,186,700.52 and 520,544.08
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Solution
The fourth proportional to 860,052.88, 1,186,700.52 and 520,544.08 is: 718,246.45
Step by Step Solution
- Step 1: Write the proportion equation
860,052.88 : 1,186,700.52 = 520,544.08 : x - Step 2: Convert to fraction form
860,052.88/1,186,700.52 = 520,544.08/x - Step 3: Cross multiply
860,052.88x = 1,186,700.52 × 520,544.08 - Step 4: Simplify right side
860,052.88x = 617,729,930,418.92 - Step 5: Solve for x
x = 617,729,930,418.92/860,052.88 - Step 6: Final answer
x = 718,246.45
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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.