Finding the Fourth Proportional to 1,487.99, 2,232 and 610.92
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Solution
The fourth proportional to 1,487.99, 2,232 and 610.92 is: 916.38
Step by Step Solution
- Step 1: Write the proportion equation
1,487.99 : 2,232 = 610.92 : x - Step 2: Convert to fraction form
1,487.99/2,232 = 610.92/x - Step 3: Cross multiply
1,487.99x = 2,232 × 610.92 - Step 4: Simplify right side
1,487.99x = 1,363,573.44 - Step 5: Solve for x
x = 1,363,573.44/1,487.99 - Step 6: Final answer
x = 916.38
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.