Finding the Fourth Proportional to 655,740.16, 905,048.64 and 369,261.99
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Solution
The fourth proportional to 655,740.16, 905,048.64 and 369,261.99 is: 509,653.19
Step by Step Solution
- Step 1: Write the proportion equation
655,740.16 : 905,048.64 = 369,261.99 : x - Step 2: Convert to fraction form
655,740.16/905,048.64 = 369,261.99/x - Step 3: Cross multiply
655,740.16x = 905,048.64 × 369,261.99 - Step 4: Simplify right side
655,740.16x = 334,200,061,853.19 - Step 5: Solve for x
x = 334,200,061,853.19/655,740.16 - Step 6: Final answer
x = 509,653.19
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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.