Finding the Fourth Proportional to 555,418.65, 766,473.35 and 300,769.84
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Solution
The fourth proportional to 555,418.65, 766,473.35 and 300,769.84 is: 415,060.00
Step by Step Solution
- Step 1: Write the proportion equation
555,418.65 : 766,473.35 = 300,769.84 : x - Step 2: Convert to fraction form
555,418.65/766,473.35 = 300,769.84/x - Step 3: Cross multiply
555,418.65x = 766,473.35 × 300,769.84 - Step 4: Simplify right side
555,418.65x = 230,532,063,011.40 - Step 5: Solve for x
x = 230,532,063,011.40/555,418.65 - Step 6: Final answer
x = 415,060.00
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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.