Finding the Fourth Proportional to 621,661.12, 857,811.68 and 349,719.84
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Solution
The fourth proportional to 621,661.12, 857,811.68 and 349,719.84 is: 482,568.00
Step by Step Solution
- Step 1: Write the proportion equation
621,661.12 : 857,811.68 = 349,719.84 : x - Step 2: Convert to fraction form
621,661.12/857,811.68 = 349,719.84/x - Step 3: Cross multiply
621,661.12x = 857,811.68 × 349,719.84 - Step 4: Simplify right side
621,661.12x = 299,993,763,479.73 - Step 5: Solve for x
x = 299,993,763,479.73/621,661.12 - Step 6: Final answer
x = 482,568.00
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.