Finding the Fourth Proportional to 745,202.84, 1,028,380.08 and 405,671
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Solution
The fourth proportional to 745,202.84, 1,028,380.08 and 405,671 is: 559,826.07
Step by Step Solution
- Step 1: Write the proportion equation
745,202.84 : 1,028,380.08 = 405,671 : x - Step 2: Convert to fraction form
745,202.84/1,028,380.08 = 405,671/x - Step 3: Cross multiply
745,202.84x = 1,028,380.08 × 405,671 - Step 4: Simplify right side
745,202.84x = 417,183,975,433.68 - Step 5: Solve for x
x = 417,183,975,433.68/745,202.84 - Step 6: Final answer
x = 559,826.07
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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.