Finding the Fourth Proportional to 881,294.25, 1,216,235.27 and 499,444.05
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Solution
The fourth proportional to 881,294.25, 1,216,235.27 and 499,444.05 is: 689,260.68
Step by Step Solution
- Step 1: Write the proportion equation
881,294.25 : 1,216,235.27 = 499,444.05 : x - Step 2: Convert to fraction form
881,294.25/1,216,235.27 = 499,444.05/x - Step 3: Cross multiply
881,294.25x = 1,216,235.27 × 499,444.05 - Step 4: Simplify right side
881,294.25x = 607,441,470,250.25 - Step 5: Solve for x
x = 607,441,470,250.25/881,294.25 - Step 6: Final answer
x = 689,260.68
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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.