Finding the Fourth Proportional to 519,993.36, 717,590.88 and 293,653.44
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Solution
The fourth proportional to 519,993.36, 717,590.88 and 293,653.44 is: 405,241.77
Step by Step Solution
- Step 1: Write the proportion equation
519,993.36 : 717,590.88 = 293,653.44 : x - Step 2: Convert to fraction form
519,993.36/717,590.88 = 293,653.44/x - Step 3: Cross multiply
519,993.36x = 717,590.88 × 293,653.44 - Step 4: Simplify right side
519,993.36x = 210,723,030,424.63 - Step 5: Solve for x
x = 210,723,030,424.63/519,993.36 - Step 6: Final answer
x = 405,241.77
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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.