Finding the Fourth Proportional to 704,547.09, 972,171.63 and 394,433.60
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Solution
The fourth proportional to 704,547.09, 972,171.63 and 394,433.60 is: 544,260.50
Step by Step Solution
- Step 1: Write the proportion equation
704,547.09 : 972,171.63 = 394,433.60 : x - Step 2: Convert to fraction form
704,547.09/972,171.63 = 394,433.60/x - Step 3: Cross multiply
704,547.09x = 972,171.63 × 394,433.60 - Step 4: Simplify right side
704,547.09x = 383,457,150,977.91 - Step 5: Solve for x
x = 383,457,150,977.91/704,547.09 - Step 6: Final answer
x = 544,260.50
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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.