Finding the Fourth Proportional to 891,890.72, 1,338,210.96 and 555,213.08
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Solution
The fourth proportional to 891,890.72, 1,338,210.96 and 555,213.08 is: 833,052.99
Step by Step Solution
- Step 1: Write the proportion equation
891,890.72 : 1,338,210.96 = 555,213.08 : x - Step 2: Convert to fraction form
891,890.72/1,338,210.96 = 555,213.08/x - Step 3: Cross multiply
891,890.72x = 1,338,210.96 × 555,213.08 - Step 4: Simplify right side
891,890.72x = 742,992,228,791.36 - Step 5: Solve for x
x = 742,992,228,791.36/891,890.72 - Step 6: Final answer
x = 833,052.99
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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.