Finding the Fourth Proportional to 456,580.20, 630,226.98 and 320,647.08
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Solution
The fourth proportional to 456,580.20, 630,226.98 and 320,647.08 is: 442,595.72
Step by Step Solution
- Step 1: Write the proportion equation
456,580.20 : 630,226.98 = 320,647.08 : x - Step 2: Convert to fraction form
456,580.20/630,226.98 = 320,647.08/x - Step 3: Cross multiply
456,580.20x = 630,226.98 × 320,647.08 - Step 4: Simplify right side
456,580.20x = 202,080,440,874.22 - Step 5: Solve for x
x = 202,080,440,874.22/456,580.20 - Step 6: Final answer
x = 442,595.72
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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.