Finding the Fourth Proportional to 688,589.35, 950,276.38 and 382,678.63
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Solution
The fourth proportional to 688,589.35, 950,276.38 and 382,678.63 is: 528,109.33
Step by Step Solution
- Step 1: Write the proportion equation
688,589.35 : 950,276.38 = 382,678.63 : x - Step 2: Convert to fraction form
688,589.35/950,276.38 = 382,678.63/x - Step 3: Cross multiply
688,589.35x = 950,276.38 × 382,678.63 - Step 4: Simplify right side
688,589.35x = 363,650,463,219.76 - Step 5: Solve for x
x = 363,650,463,219.76/688,589.35 - Step 6: Final answer
x = 528,109.33
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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.