Finding the Fourth Proportional to 857,442.54, 1,183,317.95 and 475,461.12
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Solution
The fourth proportional to 857,442.54, 1,183,317.95 and 475,461.12 is: 656,162.54
Step by Step Solution
- Step 1: Write the proportion equation
857,442.54 : 1,183,317.95 = 475,461.12 : x - Step 2: Convert to fraction form
857,442.54/1,183,317.95 = 475,461.12/x - Step 3: Cross multiply
857,442.54x = 1,183,317.95 × 475,461.12 - Step 4: Simplify right side
857,442.54x = 562,621,677,823.10 - Step 5: Solve for x
x = 562,621,677,823.10/857,442.54 - Step 6: Final answer
x = 656,162.54
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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.