Finding the Fourth Proportional to 939,971.04, 1,297,161.68 and 510,251.44
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Solution
The fourth proportional to 939,971.04, 1,297,161.68 and 510,251.44 is: 704,147.88
Step by Step Solution
- Step 1: Write the proportion equation
939,971.04 : 1,297,161.68 = 510,251.44 : x - Step 2: Convert to fraction form
939,971.04/1,297,161.68 = 510,251.44/x - Step 3: Cross multiply
939,971.04x = 1,297,161.68 × 510,251.44 - Step 4: Simplify right side
939,971.04x = 661,878,615,132.82 - Step 5: Solve for x
x = 661,878,615,132.82/939,971.04 - Step 6: Final answer
x = 704,147.88
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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.