Finding the Fourth Proportional to 694,778.48, 1,036,326.28 and 630,995.84
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Solution
The fourth proportional to 694,778.48, 1,036,326.28 and 630,995.84 is: 941,188.58
Step by Step Solution
- Step 1: Write the proportion equation
694,778.48 : 1,036,326.28 = 630,995.84 : x - Step 2: Convert to fraction form
694,778.48/1,036,326.28 = 630,995.84/x - Step 3: Cross multiply
694,778.48x = 1,036,326.28 × 630,995.84 - Step 4: Simplify right side
694,778.48x = 653,917,571,562.68 - Step 5: Solve for x
x = 653,917,571,562.68/694,778.48 - Step 6: Final answer
x = 941,188.58
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.