Finding the Fourth Proportional to 527,318.46, 727,763.40 and 297,885.42
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Solution
The fourth proportional to 527,318.46, 727,763.40 and 297,885.42 is: 411,117.99
Step by Step Solution
- Step 1: Write the proportion equation
527,318.46 : 727,763.40 = 297,885.42 : x - Step 2: Convert to fraction form
527,318.46/727,763.40 = 297,885.42/x - Step 3: Cross multiply
527,318.46x = 727,763.40 × 297,885.42 - Step 4: Simplify right side
527,318.46x = 216,790,106,069.63 - Step 5: Solve for x
x = 216,790,106,069.63/527,318.46 - Step 6: Final answer
x = 411,117.99
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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.