Finding the Fourth Proportional to 612,067.70, 918,101.55 and 588,739.70
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Solution
The fourth proportional to 612,067.70, 918,101.55 and 588,739.70 is: 883,109.55
Step by Step Solution
- Step 1: Write the proportion equation
612,067.70 : 918,101.55 = 588,739.70 : x - Step 2: Convert to fraction form
612,067.70/918,101.55 = 588,739.70/x - Step 3: Cross multiply
612,067.70x = 918,101.55 × 588,739.70 - Step 4: Simplify right side
612,067.70x = 540,522,831,116.54 - Step 5: Solve for x
x = 540,522,831,116.54/612,067.70 - Step 6: Final answer
x = 883,109.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.