Finding the Fourth Proportional to 761,846.99, 1,051,343.04 and 417,678.80
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Solution
The fourth proportional to 761,846.99, 1,051,343.04 and 417,678.80 is: 576,393.56
Step by Step Solution
- Step 1: Write the proportion equation
761,846.99 : 1,051,343.04 = 417,678.80 : x - Step 2: Convert to fraction form
761,846.99/1,051,343.04 = 417,678.80/x - Step 3: Cross multiply
761,846.99x = 1,051,343.04 × 417,678.80 - Step 4: Simplify right side
761,846.99x = 439,123,695,645.13 - Step 5: Solve for x
x = 439,123,695,645.13/761,846.99 - Step 6: Final answer
x = 576,393.56
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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.