Finding the Fourth Proportional to 734,601.56, 1,102,140.47 and 360,362.12
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Solution
The fourth proportional to 734,601.56, 1,102,140.47 and 360,362.12 is: 540,659.99
Step by Step Solution
- Step 1: Write the proportion equation
734,601.56 : 1,102,140.47 = 360,362.12 : x - Step 2: Convert to fraction form
734,601.56/1,102,140.47 = 360,362.12/x - Step 3: Cross multiply
734,601.56x = 1,102,140.47 × 360,362.12 - Step 4: Simplify right side
734,601.56x = 397,169,671,697.20 - Step 5: Solve for x
x = 397,169,671,697.20/734,601.56 - Step 6: Final answer
x = 540,659.99
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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.