Finding the Fourth Proportional to 1,028,624.49, 1,543,183.02 and 429,252.21
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Solution
The fourth proportional to 1,028,624.49, 1,543,183.02 and 429,252.21 is: 643,981.09
Step by Step Solution
- Step 1: Write the proportion equation
1,028,624.49 : 1,543,183.02 = 429,252.21 : x - Step 2: Convert to fraction form
1,028,624.49/1,543,183.02 = 429,252.21/x - Step 3: Cross multiply
1,028,624.49x = 1,543,183.02 × 429,252.21 - Step 4: Simplify right side
1,028,624.49x = 662,414,721,769.47 - Step 5: Solve for x
x = 662,414,721,769.47/1,028,624.49 - Step 6: Final answer
x = 643,981.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.