Finding the Fourth Proportional to 664,407.36, 916,853.22 and 377,924.94
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Solution
The fourth proportional to 664,407.36, 916,853.22 and 377,924.94 is: 521,519.96
Step by Step Solution
- Step 1: Write the proportion equation
664,407.36 : 916,853.22 = 377,924.94 : x - Step 2: Convert to fraction form
664,407.36/916,853.22 = 377,924.94/x - Step 3: Cross multiply
664,407.36x = 916,853.22 × 377,924.94 - Step 4: Simplify right side
664,407.36x = 346,501,698,157.31 - Step 5: Solve for x
x = 346,501,698,157.31/664,407.36 - Step 6: Final answer
x = 521,519.96
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.