Finding the Fourth Proportional to 803,660.08, 1,205,490.08 and 626,299.76
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Solution
The fourth proportional to 803,660.08, 1,205,490.08 and 626,299.76 is: 939,449.61
Step by Step Solution
- Step 1: Write the proportion equation
803,660.08 : 1,205,490.08 = 626,299.76 : x - Step 2: Convert to fraction form
803,660.08/1,205,490.08 = 626,299.76/x - Step 3: Cross multiply
803,660.08x = 1,205,490.08 × 626,299.76 - Step 4: Simplify right side
803,660.08x = 754,998,147,786.38 - Step 5: Solve for x
x = 754,998,147,786.38/803,660.08 - Step 6: Final answer
x = 939,449.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.