Finding the Fourth Proportional to 680,417.01, 938,958.14 and 370,306.49
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Solution
The fourth proportional to 680,417.01, 938,958.14 and 370,306.49 is: 511,013.52
Step by Step Solution
- Step 1: Write the proportion equation
680,417.01 : 938,958.14 = 370,306.49 : x - Step 2: Convert to fraction form
680,417.01/938,958.14 = 370,306.49/x - Step 3: Cross multiply
680,417.01x = 938,958.14 × 370,306.49 - Step 4: Simplify right side
680,417.01x = 347,702,289,311.30 - Step 5: Solve for x
x = 347,702,289,311.30/680,417.01 - Step 6: Final answer
x = 511,013.52
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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.