Finding the Fourth Proportional to 815,484.90, 1,125,376.26 and 452,915.12
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Solution
The fourth proportional to 815,484.90, 1,125,376.26 and 452,915.12 is: 625,026.81
Step by Step Solution
- Step 1: Write the proportion equation
815,484.90 : 1,125,376.26 = 452,915.12 : x - Step 2: Convert to fraction form
815,484.90/1,125,376.26 = 452,915.12/x - Step 3: Cross multiply
815,484.90x = 1,125,376.26 × 452,915.12 - Step 4: Simplify right side
815,484.90x = 509,699,923,843.05 - Step 5: Solve for x
x = 509,699,923,843.05/815,484.90 - Step 6: Final answer
x = 625,026.81
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.