Finding the Fourth Proportional to 742,661.84, 1,113,647.16 and 269,328.08
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Solution
The fourth proportional to 742,661.84, 1,113,647.16 and 269,328.08 is: 403,866.79
Step by Step Solution
- Step 1: Write the proportion equation
742,661.84 : 1,113,647.16 = 269,328.08 : x - Step 2: Convert to fraction form
742,661.84/1,113,647.16 = 269,328.08/x - Step 3: Cross multiply
742,661.84x = 1,113,647.16 × 269,328.08 - Step 4: Simplify right side
742,661.84x = 299,936,451,400.25 - Step 5: Solve for x
x = 299,936,451,400.25/742,661.84 - Step 6: Final answer
x = 403,866.79
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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.