Finding the Fourth Proportional to 747,358.05, 1,121,201.10 and 368,460.30
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Solution
The fourth proportional to 747,358.05, 1,121,201.10 and 368,460.30 is: 552,771.32
Step by Step Solution
- Step 1: Write the proportion equation
747,358.05 : 1,121,201.10 = 368,460.30 : x - Step 2: Convert to fraction form
747,358.05/1,121,201.10 = 368,460.30/x - Step 3: Cross multiply
747,358.05x = 1,121,201.10 × 368,460.30 - Step 4: Simplify right side
747,358.05x = 413,118,093,666.33 - Step 5: Solve for x
x = 413,118,093,666.33/747,358.05 - Step 6: Final answer
x = 552,771.32
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.