Finding the Fourth Proportional to 718,871.01, 1,077,738.35 and 358,857.09
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Solution
The fourth proportional to 718,871.01, 1,077,738.35 and 358,857.09 is: 538,002.01
Step by Step Solution
- Step 1: Write the proportion equation
718,871.01 : 1,077,738.35 = 358,857.09 : x - Step 2: Convert to fraction form
718,871.01/1,077,738.35 = 358,857.09/x - Step 3: Cross multiply
718,871.01x = 1,077,738.35 × 358,857.09 - Step 4: Simplify right side
718,871.01x = 386,754,048,062.40 - Step 5: Solve for x
x = 386,754,048,062.40/718,871.01 - Step 6: Final answer
x = 538,002.01
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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.