Finding the Fourth Proportional to 902,313, 1,245,191.94 and 539,752.14
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Solution
The fourth proportional to 902,313, 1,245,191.94 and 539,752.14 is: 744,857.95
Step by Step Solution
- Step 1: Write the proportion equation
902,313 : 1,245,191.94 = 539,752.14 : x - Step 2: Convert to fraction form
902,313/1,245,191.94 = 539,752.14/x - Step 3: Cross multiply
902,313x = 1,245,191.94 × 539,752.14 - Step 4: Simplify right side
902,313x = 672,095,014,325.75 - Step 5: Solve for x
x = 672,095,014,325.75/902,313 - Step 6: Final answer
x = 744,857.95
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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.