Finding the Fourth Proportional to 507,038.94, 699,752.60 and 289,252.41
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Solution
The fourth proportional to 507,038.94, 699,752.60 and 289,252.41 is: 399,190.50
Step by Step Solution
- Step 1: Write the proportion equation
507,038.94 : 699,752.60 = 289,252.41 : x - Step 2: Convert to fraction form
507,038.94/699,752.60 = 289,252.41/x - Step 3: Cross multiply
507,038.94x = 699,752.60 × 289,252.41 - Step 4: Simplify right side
507,038.94x = 202,405,126,676.90 - Step 5: Solve for x
x = 202,405,126,676.90/507,038.94 - Step 6: Final answer
x = 399,190.50
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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.