Finding the Fourth Proportional to 658,968.48, 909,281.43 and 368,578.62
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Solution
The fourth proportional to 658,968.48, 909,281.43 and 368,578.62 is: 508,585.32
Step by Step Solution
- Step 1: Write the proportion equation
658,968.48 : 909,281.43 = 368,578.62 : x - Step 2: Convert to fraction form
658,968.48/909,281.43 = 368,578.62/x - Step 3: Cross multiply
658,968.48x = 909,281.43 × 368,578.62 - Step 4: Simplify right side
658,968.48x = 335,141,694,661.03 - Step 5: Solve for x
x = 335,141,694,661.03/658,968.48 - Step 6: Final answer
x = 508,585.32
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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.