Finding the Fourth Proportional to 840,201.87, 1,159,148.48 and 517,352.07
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Solution
The fourth proportional to 840,201.87, 1,159,148.48 and 517,352.07 is: 713,742.60
Step by Step Solution
- Step 1: Write the proportion equation
840,201.87 : 1,159,148.48 = 517,352.07 : x - Step 2: Convert to fraction form
840,201.87/1,159,148.48 = 517,352.07/x - Step 3: Cross multiply
840,201.87x = 1,159,148.48 × 517,352.07 - Step 4: Simplify right side
840,201.87x = 599,687,859,769.61 - Step 5: Solve for x
x = 599,687,859,769.61/840,201.87 - Step 6: Final answer
x = 713,742.60
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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.