Finding the Fourth Proportional to 555,499.42, 766,604.93 and 313,792.18
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Solution
The fourth proportional to 555,499.42, 766,604.93 and 313,792.18 is: 433,042.09
Step by Step Solution
- Step 1: Write the proportion equation
555,499.42 : 766,604.93 = 313,792.18 : x - Step 2: Convert to fraction form
555,499.42/766,604.93 = 313,792.18/x - Step 3: Cross multiply
555,499.42x = 766,604.93 × 313,792.18 - Step 4: Simplify right side
555,499.42x = 240,554,632,183.45 - Step 5: Solve for x
x = 240,554,632,183.45/555,499.42 - Step 6: Final answer
x = 433,042.09
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1.5x scale
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.