Finding the Fourth Proportional to 778,207.64, 1,167,449.70 and 265,844.84
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Solution
The fourth proportional to 778,207.64, 1,167,449.70 and 265,844.84 is: 398,814.48
Step by Step Solution
- Step 1: Write the proportion equation
778,207.64 : 1,167,449.70 = 265,844.84 : x - Step 2: Convert to fraction form
778,207.64/1,167,449.70 = 265,844.84/x - Step 3: Cross multiply
778,207.64x = 1,167,449.70 × 265,844.84 - Step 4: Simplify right side
778,207.64x = 310,360,478,704.55 - Step 5: Solve for x
x = 310,360,478,704.55/778,207.64 - Step 6: Final answer
x = 398,814.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.