Finding the Fourth Proportional to 612,533.18, 845,342.98 and 367,527.08
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Solution
The fourth proportional to 612,533.18, 845,342.98 and 367,527.08 is: 507,215.68
Step by Step Solution
- Step 1: Write the proportion equation
612,533.18 : 845,342.98 = 367,527.08 : x - Step 2: Convert to fraction form
612,533.18/845,342.98 = 367,527.08/x - Step 3: Cross multiply
612,533.18x = 845,342.98 × 367,527.08 - Step 4: Simplify right side
612,533.18x = 310,686,431,892.37 - Step 5: Solve for x
x = 310,686,431,892.37/612,533.18 - Step 6: Final answer
x = 507,215.68
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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.