Finding the Fourth Proportional to 734,639.58, 1,013,817.66 and 412,372.98
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Solution
The fourth proportional to 734,639.58, 1,013,817.66 and 412,372.98 is: 569,083.15
Step by Step Solution
- Step 1: Write the proportion equation
734,639.58 : 1,013,817.66 = 412,372.98 : x - Step 2: Convert to fraction form
734,639.58/1,013,817.66 = 412,372.98/x - Step 3: Cross multiply
734,639.58x = 1,013,817.66 × 412,372.98 - Step 4: Simplify right side
734,639.58x = 418,071,009,630.83 - Step 5: Solve for x
x = 418,071,009,630.83/734,639.58 - Step 6: Final answer
x = 569,083.15
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.