Finding the Fourth Proportional to 555,544.88, 766,699.12 and 313,871.84
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Solution
The fourth proportional to 555,544.88, 766,699.12 and 313,871.84 is: 433,169.80
Step by Step Solution
- Step 1: Write the proportion equation
555,544.88 : 766,699.12 = 313,871.84 : x - Step 2: Convert to fraction form
555,544.88/766,699.12 = 313,871.84/x - Step 3: Cross multiply
555,544.88x = 766,699.12 × 313,871.84 - Step 4: Simplify right side
555,544.88x = 240,645,263,520.78 - Step 5: Solve for x
x = 240,645,263,520.78/555,544.88 - Step 6: Final answer
x = 433,169.80
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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.