Finding the Fourth Proportional to 688,593.20, 950,281.70 and 382,682.48
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Solution
The fourth proportional to 688,593.20, 950,281.70 and 382,682.48 is: 528,114.65
Step by Step Solution
- Step 1: Write the proportion equation
688,593.20 : 950,281.70 = 382,682.48 : x - Step 2: Convert to fraction form
688,593.20/950,281.70 = 382,682.48/x - Step 3: Cross multiply
688,593.20x = 950,281.70 × 382,682.48 - Step 4: Simplify right side
688,593.20x = 363,656,157,654.62 - Step 5: Solve for x
x = 363,656,157,654.62/688,593.20 - Step 6: Final answer
x = 528,114.65
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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.