Finding the Fourth Proportional to 638,184.20, 957,276.30 and 549,537.80
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Solution
The fourth proportional to 638,184.20, 957,276.30 and 549,537.80 is: 824,306.70
Step by Step Solution
- Step 1: Write the proportion equation
638,184.20 : 957,276.30 = 549,537.80 : x - Step 2: Convert to fraction form
638,184.20/957,276.30 = 549,537.80/x - Step 3: Cross multiply
638,184.20x = 957,276.30 × 549,537.80 - Step 4: Simplify right side
638,184.20x = 526,059,511,894.14 - Step 5: Solve for x
x = 526,059,511,894.14/638,184.20 - Step 6: Final answer
x = 824,306.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.