Finding the Fourth Proportional to 901,315.35, 1,358,299.71 and 811,447.88
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Solution
The fourth proportional to 901,315.35, 1,358,299.71 and 811,447.88 is: 1,222,867.68
Step by Step Solution
- Step 1: Write the proportion equation
901,315.35 : 1,358,299.71 = 811,447.88 : x - Step 2: Convert to fraction form
901,315.35/1,358,299.71 = 811,447.88/x - Step 3: Cross multiply
901,315.35x = 1,358,299.71 × 811,447.88 - Step 4: Simplify right side
901,315.35x = 1,102,189,413,292.62 - Step 5: Solve for x
x = 1,102,189,413,292.62/901,315.35 - Step 6: Final answer
x = 1,222,867.68
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.