Finding the Fourth Proportional to 736,489.60, 1,016,237.55 and 414,198.70
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Solution
The fourth proportional to 736,489.60, 1,016,237.55 and 414,198.70 is: 571,527.79
Step by Step Solution
- Step 1: Write the proportion equation
736,489.60 : 1,016,237.55 = 414,198.70 : x - Step 2: Convert to fraction form
736,489.60/1,016,237.55 = 414,198.70/x - Step 3: Cross multiply
736,489.60x = 1,016,237.55 × 414,198.70 - Step 4: Simplify right side
736,489.60x = 420,924,272,101.19 - Step 5: Solve for x
x = 420,924,272,101.19/736,489.60 - Step 6: Final answer
x = 571,527.79
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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.