Finding the Fourth Proportional to 1,419,297.49, 2,128,976.40 and 508,539.28
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Solution
The fourth proportional to 1,419,297.49, 2,128,976.40 and 508,539.28 is: 762,819.73
Step by Step Solution
- Step 1: Write the proportion equation
1,419,297.49 : 2,128,976.40 = 508,539.28 : x - Step 2: Convert to fraction form
1,419,297.49/2,128,976.40 = 508,539.28/x - Step 3: Cross multiply
1,419,297.49x = 2,128,976.40 × 508,539.28 - Step 4: Simplify right side
1,419,297.49x = 1,082,668,125,592.99 - Step 5: Solve for x
x = 1,082,668,125,592.99/1,419,297.49 - Step 6: Final answer
x = 762,819.73
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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.