Finding the Fourth Proportional to 607,647.68, 838,203.36 and 365,762.24
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Solution
The fourth proportional to 607,647.68, 838,203.36 and 365,762.24 is: 504,540.95
Step by Step Solution
- Step 1: Write the proportion equation
607,647.68 : 838,203.36 = 365,762.24 : x - Step 2: Convert to fraction form
607,647.68/838,203.36 = 365,762.24/x - Step 3: Cross multiply
607,647.68x = 838,203.36 × 365,762.24 - Step 4: Simplify right side
607,647.68x = 306,583,138,529.13 - Step 5: Solve for x
x = 306,583,138,529.13/607,647.68 - Step 6: Final answer
x = 504,540.95
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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.