Finding the Fourth Proportional to 903,446.09, 1,353,362.36 and 543,418.10
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Solution
The fourth proportional to 903,446.09, 1,353,362.36 and 543,418.10 is: 814,040.38
Step by Step Solution
- Step 1: Write the proportion equation
903,446.09 : 1,353,362.36 = 543,418.10 : x - Step 2: Convert to fraction form
903,446.09/1,353,362.36 = 543,418.10/x - Step 3: Cross multiply
903,446.09x = 1,353,362.36 × 543,418.10 - Step 4: Simplify right side
903,446.09x = 735,441,592,798.81 - Step 5: Solve for x
x = 735,441,592,798.81/903,446.09 - Step 6: Final answer
x = 814,040.38
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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.