Finding the Fourth Proportional to 1,028,678.50, 1,419,248.28 and 666,380.08
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Solution
The fourth proportional to 1,028,678.50, 1,419,248.28 and 666,380.08 is: 919,392.00
Step by Step Solution
- Step 1: Write the proportion equation
1,028,678.50 : 1,419,248.28 = 666,380.08 : x - Step 2: Convert to fraction form
1,028,678.50/1,419,248.28 = 666,380.08/x - Step 3: Cross multiply
1,028,678.50x = 1,419,248.28 × 666,380.08 - Step 4: Simplify right side
1,028,678.50x = 945,758,782,366.26 - Step 5: Solve for x
x = 945,758,782,366.26/1,028,678.50 - Step 6: Final answer
x = 919,392.00
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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.