Finding the Fourth Proportional to 935,317.20, 1,403,183.68 and 436,409.04
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Solution
The fourth proportional to 935,317.20, 1,403,183.68 and 436,409.04 is: 654,710.55
Step by Step Solution
- Step 1: Write the proportion equation
935,317.20 : 1,403,183.68 = 436,409.04 : x - Step 2: Convert to fraction form
935,317.20/1,403,183.68 = 436,409.04/x - Step 3: Cross multiply
935,317.20x = 1,403,183.68 × 436,409.04 - Step 4: Simplify right side
935,317.20x = 612,362,042,732.47 - Step 5: Solve for x
x = 612,362,042,732.47/935,317.20 - Step 6: Final answer
x = 654,710.55
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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.