Finding the Fourth Proportional to 839,117.81, 1,258,864.73 and 306,625.23
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Solution
The fourth proportional to 839,117.81, 1,258,864.73 and 306,625.23 is: 460,006.55
Step by Step Solution
- Step 1: Write the proportion equation
839,117.81 : 1,258,864.73 = 306,625.23 : x - Step 2: Convert to fraction form
839,117.81/1,258,864.73 = 306,625.23/x - Step 3: Cross multiply
839,117.81x = 1,258,864.73 × 306,625.23 - Step 4: Simplify right side
839,117.81x = 385,999,687,375.14 - Step 5: Solve for x
x = 385,999,687,375.14/839,117.81 - Step 6: Final answer
x = 460,006.55
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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.