Finding the Fourth Proportional to 453,783.36, 679,772.91 and 416,582.49
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Solution
The fourth proportional to 453,783.36, 679,772.91 and 416,582.49 is: 624,045.56
Step by Step Solution
- Step 1: Write the proportion equation
453,783.36 : 679,772.91 = 416,582.49 : x - Step 2: Convert to fraction form
453,783.36/679,772.91 = 416,582.49/x - Step 3: Cross multiply
453,783.36x = 679,772.91 × 416,582.49 - Step 4: Simplify right side
453,783.36x = 283,181,493,250.40 - Step 5: Solve for x
x = 283,181,493,250.40/453,783.36 - Step 6: Final answer
x = 624,045.56
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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.