Finding the Fourth Proportional to 519,466.74, 716,809.49 and 301,632.84
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Solution
The fourth proportional to 519,466.74, 716,809.49 and 301,632.84 is: 416,221.61
Step by Step Solution
- Step 1: Write the proportion equation
519,466.74 : 716,809.49 = 301,632.84 : x - Step 2: Convert to fraction form
519,466.74/716,809.49 = 301,632.84/x - Step 3: Cross multiply
519,466.74x = 716,809.49 × 301,632.84 - Step 4: Simplify right side
519,466.74x = 216,213,280,699.49 - Step 5: Solve for x
x = 216,213,280,699.49/519,466.74 - Step 6: Final answer
x = 416,221.61
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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.