Finding the Fourth Proportional to 659,748.16, 910,452.48 and 373,262.08
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Solution
The fourth proportional to 659,748.16, 910,452.48 and 373,262.08 is: 515,101.68
Step by Step Solution
- Step 1: Write the proportion equation
659,748.16 : 910,452.48 = 373,262.08 : x - Step 2: Convert to fraction form
659,748.16/910,452.48 = 373,262.08/x - Step 3: Cross multiply
659,748.16x = 910,452.48 × 373,262.08 - Step 4: Simplify right side
659,748.16x = 339,837,386,425.96 - Step 5: Solve for x
x = 339,837,386,425.96/659,748.16 - Step 6: Final answer
x = 515,101.68
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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.