Finding the Fourth Proportional to 612,970.67, 845,883.38 and 341,039.09
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Solution
The fourth proportional to 612,970.67, 845,883.38 and 341,039.09 is: 470,624.96
Step by Step Solution
- Step 1: Write the proportion equation
612,970.67 : 845,883.38 = 341,039.09 : x - Step 2: Convert to fraction form
612,970.67/845,883.38 = 341,039.09/x - Step 3: Cross multiply
612,970.67x = 845,883.38 × 341,039.09 - Step 4: Simplify right side
612,970.67x = 288,479,292,226.71 - Step 5: Solve for x
x = 288,479,292,226.71/612,970.67 - Step 6: Final answer
x = 470,624.96
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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.