Finding the Fourth Proportional to 724,174.36, 999,129.44 and 418,210.33
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Solution
The fourth proportional to 724,174.36, 999,129.44 and 418,210.33 is: 576,996.75
Step by Step Solution
- Step 1: Write the proportion equation
724,174.36 : 999,129.44 = 418,210.33 : x - Step 2: Convert to fraction form
724,174.36/999,129.44 = 418,210.33/x - Step 3: Cross multiply
724,174.36x = 999,129.44 × 418,210.33 - Step 4: Simplify right side
724,174.36x = 417,846,252,815.12 - Step 5: Solve for x
x = 417,846,252,815.12/724,174.36 - Step 6: Final answer
x = 576,996.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.