Finding the Fourth Proportional to 901,818.17, 1,352,408.18 and 261,988.79
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Solution
The fourth proportional to 901,818.17, 1,352,408.18 and 261,988.79 is: 392,890.49
Step by Step Solution
- Step 1: Write the proportion equation
901,818.17 : 1,352,408.18 = 261,988.79 : x - Step 2: Convert to fraction form
901,818.17/1,352,408.18 = 261,988.79/x - Step 3: Cross multiply
901,818.17x = 1,352,408.18 × 261,988.79 - Step 4: Simplify right side
901,818.17x = 354,315,781,354.36 - Step 5: Solve for x
x = 354,315,781,354.36/901,818.17 - Step 6: Final answer
x = 392,890.49
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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.