Finding the Fourth Proportional to 529,131.96, 729,779.58 and 348,029.64
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Solution
The fourth proportional to 529,131.96, 729,779.58 and 348,029.64 is: 480,002.99
Step by Step Solution
- Step 1: Write the proportion equation
529,131.96 : 729,779.58 = 348,029.64 : x - Step 2: Convert to fraction form
529,131.96/729,779.58 = 348,029.64/x - Step 3: Cross multiply
529,131.96x = 729,779.58 × 348,029.64 - Step 4: Simplify right side
529,131.96x = 253,984,924,506.75 - Step 5: Solve for x
x = 253,984,924,506.75/529,131.96 - Step 6: Final answer
x = 480,002.99
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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.