Finding the Fourth Proportional to 626,419.87, 864,459.99 and 339,939.96
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Solution
The fourth proportional to 626,419.87, 864,459.99 and 339,939.96 is: 469,117.44
Step by Step Solution
- Step 1: Write the proportion equation
626,419.87 : 864,459.99 = 339,939.96 : x - Step 2: Convert to fraction form
626,419.87/864,459.99 = 339,939.96/x - Step 3: Cross multiply
626,419.87x = 864,459.99 × 339,939.96 - Step 4: Simplify right side
626,419.87x = 293,864,488,400.20 - Step 5: Solve for x
x = 293,864,488,400.20/626,419.87 - Step 6: Final answer
x = 469,117.44
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.