Finding the Fourth Proportional to 724,240.09, 999,634.99 and 494,890.08
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Solution
The fourth proportional to 724,240.09, 999,634.99 and 494,890.08 is: 683,073.81
Step by Step Solution
- Step 1: Write the proportion equation
724,240.09 : 999,634.99 = 494,890.08 : x - Step 2: Convert to fraction form
724,240.09/999,634.99 = 494,890.08/x - Step 3: Cross multiply
724,240.09x = 999,634.99 × 494,890.08 - Step 4: Simplify right side
724,240.09x = 494,709,436,837.62 - Step 5: Solve for x
x = 494,709,436,837.62/724,240.09 - Step 6: Final answer
x = 683,073.81
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1.5x scale
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.