Finding the Fourth Proportional to 630,276.70, 944,626.65 and 314,821.66
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Solution
The fourth proportional to 630,276.70, 944,626.65 and 314,821.66 is: 471,838.69
Step by Step Solution
- Step 1: Write the proportion equation
630,276.70 : 944,626.65 = 314,821.66 : x - Step 2: Convert to fraction form
630,276.70/944,626.65 = 314,821.66/x - Step 3: Cross multiply
630,276.70x = 944,626.65 × 314,821.66 - Step 4: Simplify right side
630,276.70x = 297,388,930,033.24 - Step 5: Solve for x
x = 297,388,930,033.24/630,276.70 - Step 6: Final answer
x = 471,838.69
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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.