Finding the Fourth Proportional to 788,502.69, 1,088,134.20 and 425,926.62
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Solution
The fourth proportional to 788,502.69, 1,088,134.20 and 425,926.62 is: 587,779.00
Step by Step Solution
- Step 1: Write the proportion equation
788,502.69 : 1,088,134.20 = 425,926.62 : x - Step 2: Convert to fraction form
788,502.69/1,088,134.20 = 425,926.62/x - Step 3: Cross multiply
788,502.69x = 1,088,134.20 × 425,926.62 - Step 4: Simplify right side
788,502.69x = 463,465,321,912.40 - Step 5: Solve for x
x = 463,465,321,912.40/788,502.69 - Step 6: Final answer
x = 587,779.00
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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.