Finding the Fourth Proportional to 744,926.22, 1,028,214.81 and 486,841.99
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Solution
The fourth proportional to 744,926.22, 1,028,214.81 and 486,841.99 is: 671,983.52
Step by Step Solution
- Step 1: Write the proportion equation
744,926.22 : 1,028,214.81 = 486,841.99 : x - Step 2: Convert to fraction form
744,926.22/1,028,214.81 = 486,841.99/x - Step 3: Cross multiply
744,926.22x = 1,028,214.81 × 486,841.99 - Step 4: Simplify right side
744,926.22x = 500,578,144,247.87 - Step 5: Solve for x
x = 500,578,144,247.87/744,926.22 - Step 6: Final answer
x = 671,983.52
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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.