Finding the Fourth Proportional to 916,453.53, 1,375,685.91 and 728,124.48
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Solution
The fourth proportional to 916,453.53, 1,375,685.91 and 728,124.48 is: 1,092,985.68
Step by Step Solution
- Step 1: Write the proportion equation
916,453.53 : 1,375,685.91 = 728,124.48 : x - Step 2: Convert to fraction form
916,453.53/1,375,685.91 = 728,124.48/x - Step 3: Cross multiply
916,453.53x = 1,375,685.91 × 728,124.48 - Step 4: Simplify right side
916,453.53x = 1,001,670,587,862.08 - Step 5: Solve for x
x = 1,001,670,587,862.08/916,453.53 - Step 6: Final answer
x = 1,092,985.68
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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.