Finding the Fourth Proportional to 521,334.42, 719,406.68 and 291,852.96
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Solution
The fourth proportional to 521,334.42, 719,406.68 and 291,852.96 is: 402,737.59
Step by Step Solution
- Step 1: Write the proportion equation
521,334.42 : 719,406.68 = 291,852.96 : x - Step 2: Convert to fraction form
521,334.42/719,406.68 = 291,852.96/x - Step 3: Cross multiply
521,334.42x = 719,406.68 × 291,852.96 - Step 4: Simplify right side
521,334.42x = 209,960,969,001.77 - Step 5: Solve for x
x = 209,960,969,001.77/521,334.42 - Step 6: Final answer
x = 402,737.59
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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.