Finding the Fourth Proportional to 740,568.69, 1,111,065.80 and 308,201.99
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Solution
The fourth proportional to 740,568.69, 1,111,065.80 and 308,201.99 is: 462,391.52
Step by Step Solution
- Step 1: Write the proportion equation
740,568.69 : 1,111,065.80 = 308,201.99 : x - Step 2: Convert to fraction form
740,568.69/1,111,065.80 = 308,201.99/x - Step 3: Cross multiply
740,568.69x = 1,111,065.80 × 308,201.99 - Step 4: Simplify right side
740,568.69x = 342,432,683,484.60 - Step 5: Solve for x
x = 342,432,683,484.60/740,568.69 - Step 6: Final answer
x = 462,391.52
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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.