Finding the Fourth Proportional to 881,251.24, 1,216,130.66 and 499,352.44
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Solution
The fourth proportional to 881,251.24, 1,216,130.66 and 499,352.44 is: 689,108.60
Step by Step Solution
- Step 1: Write the proportion equation
881,251.24 : 1,216,130.66 = 499,352.44 : x - Step 2: Convert to fraction form
881,251.24/1,216,130.66 = 499,352.44/x - Step 3: Cross multiply
881,251.24x = 1,216,130.66 × 499,352.44 - Step 4: Simplify right side
881,251.24x = 607,277,812,429.81 - Step 5: Solve for x
x = 607,277,812,429.81/881,251.24 - Step 6: Final answer
x = 689,108.60
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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.