Finding the Fourth Proportional to 734,040.08, 1,013,088.84 and 411,880.40
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Solution
The fourth proportional to 734,040.08, 1,013,088.84 and 411,880.40 is: 568,458.66
Step by Step Solution
- Step 1: Write the proportion equation
734,040.08 : 1,013,088.84 = 411,880.40 : x - Step 2: Convert to fraction form
734,040.08/1,013,088.84 = 411,880.40/x - Step 3: Cross multiply
734,040.08x = 1,013,088.84 × 411,880.40 - Step 4: Simplify right side
734,040.08x = 417,271,436,654.74 - Step 5: Solve for x
x = 417,271,436,654.74/734,040.08 - Step 6: Final answer
x = 568,458.66
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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.