Finding the Fourth Proportional to 898,435.22, 1,343,559.49 and 670,890.63
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Solution
The fourth proportional to 898,435.22, 1,343,559.49 and 670,890.63 is: 1,003,279.31
Step by Step Solution
- Step 1: Write the proportion equation
898,435.22 : 1,343,559.49 = 670,890.63 : x - Step 2: Convert to fraction form
898,435.22/1,343,559.49 = 670,890.63/x - Step 3: Cross multiply
898,435.22x = 1,343,559.49 × 670,890.63 - Step 4: Simplify right side
898,435.22x = 901,381,467,543.70 - Step 5: Solve for x
x = 901,381,467,543.70/898,435.22 - Step 6: Final answer
x = 1,003,279.31
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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.