Finding the Fourth Proportional to 788,503.08, 1,088,134.70 and 425,926.96
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Solution
The fourth proportional to 788,503.08, 1,088,134.70 and 425,926.96 is: 587,779.45
Step by Step Solution
- Step 1: Write the proportion equation
788,503.08 : 1,088,134.70 = 425,926.96 : x - Step 2: Convert to fraction form
788,503.08/1,088,134.70 = 425,926.96/x - Step 3: Cross multiply
788,503.08x = 1,088,134.70 × 425,926.96 - Step 4: Simplify right side
788,503.08x = 463,465,904,841.51 - Step 5: Solve for x
x = 463,465,904,841.51/788,503.08 - Step 6: Final answer
x = 587,779.45
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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.