Finding the Fourth Proportional to 719,592.62, 993,053.30 and 397,323.08
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Solution
The fourth proportional to 719,592.62, 993,053.30 and 397,323.08 is: 548,314.40
Step by Step Solution
- Step 1: Write the proportion equation
719,592.62 : 993,053.30 = 397,323.08 : x - Step 2: Convert to fraction form
719,592.62/993,053.30 = 397,323.08/x - Step 3: Cross multiply
719,592.62x = 993,053.30 × 397,323.08 - Step 4: Simplify right side
719,592.62x = 394,562,996,256.18 - Step 5: Solve for x
x = 394,562,996,256.18/719,592.62 - Step 6: Final answer
x = 548,314.40
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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.