Finding the Fourth Proportional to 718,790.70, 992,249.98 and 464,266.02
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Solution
The fourth proportional to 718,790.70, 992,249.98 and 464,266.02 is: 640,893.03
Step by Step Solution
- Step 1: Write the proportion equation
718,790.70 : 992,249.98 = 464,266.02 : x - Step 2: Convert to fraction form
718,790.70/992,249.98 = 464,266.02/x - Step 3: Cross multiply
718,790.70x = 992,249.98 × 464,266.02 - Step 4: Simplify right side
718,790.70x = 460,667,949,059.68 - Step 5: Solve for x
x = 460,667,949,059.68/718,790.70 - Step 6: Final answer
x = 640,893.03
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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.