Finding the Fourth Proportional to 555,601.74, 766,731.47 and 300,953.13
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Solution
The fourth proportional to 555,601.74, 766,731.47 and 300,953.13 is: 415,315.90
Step by Step Solution
- Step 1: Write the proportion equation
555,601.74 : 766,731.47 = 300,953.13 : x - Step 2: Convert to fraction form
555,601.74/766,731.47 = 300,953.13/x - Step 3: Cross multiply
555,601.74x = 766,731.47 × 300,953.13 - Step 4: Simplify right side
555,601.74x = 230,750,234,261.24 - Step 5: Solve for x
x = 230,750,234,261.24/555,601.74 - Step 6: Final answer
x = 415,315.90
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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.