Finding the Fourth Proportional to 857,541.13, 1,183,408.44 and 470,359.70
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Solution
The fourth proportional to 857,541.13, 1,183,408.44 and 470,359.70 is: 649,097.31
Step by Step Solution
- Step 1: Write the proportion equation
857,541.13 : 1,183,408.44 = 470,359.70 : x - Step 2: Convert to fraction form
857,541.13/1,183,408.44 = 470,359.70/x - Step 3: Cross multiply
857,541.13x = 1,183,408.44 × 470,359.70 - Step 4: Simplify right side
857,541.13x = 556,627,638,815.87 - Step 5: Solve for x
x = 556,627,638,815.87/857,541.13 - Step 6: Final answer
x = 649,097.31
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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.