Finding the Fourth Proportional to 734,740.92, 1,013,941.98 and 412,451.64
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Solution
The fourth proportional to 734,740.92, 1,013,941.98 and 412,451.64 is: 569,182.99
Step by Step Solution
- Step 1: Write the proportion equation
734,740.92 : 1,013,941.98 = 412,451.64 : x - Step 2: Convert to fraction form
734,740.92/1,013,941.98 = 412,451.64/x - Step 3: Cross multiply
734,740.92x = 1,013,941.98 × 412,451.64 - Step 4: Simplify right side
734,740.92x = 418,202,032,515.85 - Step 5: Solve for x
x = 418,202,032,515.85/734,740.92 - Step 6: Final answer
x = 569,182.99
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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.