Finding the Fourth Proportional to 744,198.51, 1,116,859.55 and 545,035.26
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Solution
The fourth proportional to 744,198.51, 1,116,859.55 and 545,035.26 is: 817,964.32
Step by Step Solution
- Step 1: Write the proportion equation
744,198.51 : 1,116,859.55 = 545,035.26 : x - Step 2: Convert to fraction form
744,198.51/1,116,859.55 = 545,035.26/x - Step 3: Cross multiply
744,198.51x = 1,116,859.55 × 545,035.26 - Step 4: Simplify right side
744,198.51x = 608,727,831,089.53 - Step 5: Solve for x
x = 608,727,831,089.53/744,198.51 - Step 6: Final answer
x = 817,964.32
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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.