Finding the Fourth Proportional to 688,614.14, 950,268.44 and 382,682.68
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Solution
The fourth proportional to 688,614.14, 950,268.44 and 382,682.68 is: 528,091.49
Step by Step Solution
- Step 1: Write the proportion equation
688,614.14 : 950,268.44 = 382,682.68 : x - Step 2: Convert to fraction form
688,614.14/950,268.44 = 382,682.68/x - Step 3: Cross multiply
688,614.14x = 950,268.44 × 382,682.68 - Step 4: Simplify right side
688,614.14x = 363,651,271,919.66 - Step 5: Solve for x
x = 363,651,271,919.66/688,614.14 - Step 6: Final answer
x = 528,091.49
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1.5x scale
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.