Finding the Fourth Proportional to 572,044.96, 789,536.92 and 330,366.88
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Solution
The fourth proportional to 572,044.96, 789,536.92 and 330,366.88 is: 455,972.64
Step by Step Solution
- Step 1: Write the proportion equation
572,044.96 : 789,536.92 = 330,366.88 : x - Step 2: Convert to fraction form
572,044.96/789,536.92 = 330,366.88/x - Step 3: Cross multiply
572,044.96x = 789,536.92 × 330,366.88 - Step 4: Simplify right side
572,044.96x = 260,836,848,905.21 - Step 5: Solve for x
x = 260,836,848,905.21/572,044.96 - Step 6: Final answer
x = 455,972.64
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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.