Finding the Fourth Proportional to 930,433.07, 1,395,416.32 and 680,654.99
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Solution
The fourth proportional to 930,433.07, 1,395,416.32 and 680,654.99 is: 1,020,811.83
Step by Step Solution
- Step 1: Write the proportion equation
930,433.07 : 1,395,416.32 = 680,654.99 : x - Step 2: Convert to fraction form
930,433.07/1,395,416.32 = 680,654.99/x - Step 3: Cross multiply
930,433.07x = 1,395,416.32 × 680,654.99 - Step 4: Simplify right side
930,433.07x = 949,797,081,335.44 - Step 5: Solve for x
x = 949,797,081,335.44/930,433.07 - Step 6: Final answer
x = 1,020,811.83
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.