Finding the Fourth Proportional to 612,470.40, 845,301.12 and 440,956.08
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Solution
The fourth proportional to 612,470.40, 845,301.12 and 440,956.08 is: 608,585.60
Step by Step Solution
- Step 1: Write the proportion equation
612,470.40 : 845,301.12 = 440,956.08 : x - Step 2: Convert to fraction form
612,470.40/845,301.12 = 440,956.08/x - Step 3: Cross multiply
612,470.40x = 845,301.12 × 440,956.08 - Step 4: Simplify right side
612,470.40x = 372,740,668,294.81 - Step 5: Solve for x
x = 372,740,668,294.81/612,470.40 - Step 6: Final answer
x = 608,585.60
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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.