Finding the Fourth Proportional to 503,497.46, 694,892.85 and 302,306.42
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Solution
The fourth proportional to 503,497.46, 694,892.85 and 302,306.42 is: 417,222.70
Step by Step Solution
- Step 1: Write the proportion equation
503,497.46 : 694,892.85 = 302,306.42 : x - Step 2: Convert to fraction form
503,497.46/694,892.85 = 302,306.42/x - Step 3: Cross multiply
503,497.46x = 694,892.85 × 302,306.42 - Step 4: Simplify right side
503,497.46x = 210,070,569,767.10 - Step 5: Solve for x
x = 210,070,569,767.10/503,497.46 - Step 6: Final answer
x = 417,222.70
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1.5x scale
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.