Finding the Fourth Proportional to 788,864.10, 1,182,421.35 and 434,132.70
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Solution
The fourth proportional to 788,864.10, 1,182,421.35 and 434,132.70 is: 650,717.62
Step by Step Solution
- Step 1: Write the proportion equation
788,864.10 : 1,182,421.35 = 434,132.70 : x - Step 2: Convert to fraction form
788,864.10/1,182,421.35 = 434,132.70/x - Step 3: Cross multiply
788,864.10x = 1,182,421.35 × 434,132.70 - Step 4: Simplify right side
788,864.10x = 513,327,773,213.15 - Step 5: Solve for x
x = 513,327,773,213.15/788,864.10 - Step 6: Final answer
x = 650,717.62
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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.