Finding the Fourth Proportional to 521,277.23, 719,322.82 and 291,781.96
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Solution
The fourth proportional to 521,277.23, 719,322.82 and 291,781.96 is: 402,636.84
Step by Step Solution
- Step 1: Write the proportion equation
521,277.23 : 719,322.82 = 291,781.96 : x - Step 2: Convert to fraction form
521,277.23/719,322.82 = 291,781.96/x - Step 3: Cross multiply
521,277.23x = 719,322.82 × 291,781.96 - Step 4: Simplify right side
521,277.23x = 209,885,419,764.57 - Step 5: Solve for x
x = 209,885,419,764.57/521,277.23 - Step 6: Final answer
x = 402,636.84
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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.