Finding the Fourth Proportional to 605,519.10, 908,278.65 and 512,207.10
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Solution
The fourth proportional to 605,519.10, 908,278.65 and 512,207.10 is: 768,310.65
Step by Step Solution
- Step 1: Write the proportion equation
605,519.10 : 908,278.65 = 512,207.10 : x - Step 2: Convert to fraction form
605,519.10/908,278.65 = 512,207.10/x - Step 3: Cross multiply
605,519.10x = 908,278.65 × 512,207.10 - Step 4: Simplify right side
605,519.10x = 465,226,773,308.42 - Step 5: Solve for x
x = 465,226,773,308.42/605,519.10 - Step 6: Final answer
x = 768,310.65
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Similar ratio
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1.5x scale
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.