Finding the Fourth Proportional to 988,540.21, 1,482,925.52 and 357,751.09
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Solution
The fourth proportional to 988,540.21, 1,482,925.52 and 357,751.09 is: 536,668.33
Step by Step Solution
- Step 1: Write the proportion equation
988,540.21 : 1,482,925.52 = 357,751.09 : x - Step 2: Convert to fraction form
988,540.21/1,482,925.52 = 357,751.09/x - Step 3: Cross multiply
988,540.21x = 1,482,925.52 × 357,751.09 - Step 4: Simplify right side
988,540.21x = 530,518,221,168.82 - Step 5: Solve for x
x = 530,518,221,168.82/988,540.21 - Step 6: Final answer
x = 536,668.33
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.