Finding the Fourth Proportional to 463,219.80, 694,829.70 and 432,115.80
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Solution
The fourth proportional to 463,219.80, 694,829.70 and 432,115.80 is: 648,173.70
Step by Step Solution
- Step 1: Write the proportion equation
463,219.80 : 694,829.70 = 432,115.80 : x - Step 2: Convert to fraction form
463,219.80/694,829.70 = 432,115.80/x - Step 3: Cross multiply
463,219.80x = 694,829.70 × 432,115.80 - Step 4: Simplify right side
463,219.80x = 300,246,891,679.26 - Step 5: Solve for x
x = 300,246,891,679.26/463,219.80 - Step 6: Final answer
x = 648,173.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.