Finding the Fourth Proportional to 983,924.74, 1,476,258.90 and 385,313.68
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Solution
The fourth proportional to 983,924.74, 1,476,258.90 and 385,313.68 is: 578,116.12
Step by Step Solution
- Step 1: Write the proportion equation
983,924.74 : 1,476,258.90 = 385,313.68 : x - Step 2: Convert to fraction form
983,924.74/1,476,258.90 = 385,313.68/x - Step 3: Cross multiply
983,924.74x = 1,476,258.90 × 385,313.68 - Step 4: Simplify right side
983,924.74x = 568,822,749,391.75 - Step 5: Solve for x
x = 568,822,749,391.75/983,924.74 - Step 6: Final answer
x = 578,116.12
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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.