Finding the Fourth Proportional to 551,700.68, 761,325.73 and 309,993.44
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Solution
The fourth proportional to 551,700.68, 761,325.73 and 309,993.44 is: 427,779.03
Step by Step Solution
- Step 1: Write the proportion equation
551,700.68 : 761,325.73 = 309,993.44 : x - Step 2: Convert to fraction form
551,700.68/761,325.73 = 309,993.44/x - Step 3: Cross multiply
551,700.68x = 761,325.73 × 309,993.44 - Step 4: Simplify right side
551,700.68x = 236,005,982,003.21 - Step 5: Solve for x
x = 236,005,982,003.21/551,700.68 - Step 6: Final answer
x = 427,779.03
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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.