Finding the Fourth Proportional to 718,873.01, 1,077,741.35 and 358,859.09
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Solution
The fourth proportional to 718,873.01, 1,077,741.35 and 358,859.09 is: 538,005.01
Step by Step Solution
- Step 1: Write the proportion equation
718,873.01 : 1,077,741.35 = 358,859.09 : x - Step 2: Convert to fraction form
718,873.01/1,077,741.35 = 358,859.09/x - Step 3: Cross multiply
718,873.01x = 1,077,741.35 × 358,859.09 - Step 4: Simplify right side
718,873.01x = 386,757,280,116.37 - Step 5: Solve for x
x = 386,757,280,116.37/718,873.01 - Step 6: Final answer
x = 538,005.01
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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.