Finding the Fourth Proportional to 710,712.18, 1,065,911.70 and 205,163.36
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Solution
The fourth proportional to 710,712.18, 1,065,911.70 and 205,163.36 is: 307,699.84
Step by Step Solution
- Step 1: Write the proportion equation
710,712.18 : 1,065,911.70 = 205,163.36 : x - Step 2: Convert to fraction form
710,712.18/1,065,911.70 = 205,163.36/x - Step 3: Cross multiply
710,712.18x = 1,065,911.70 × 205,163.36 - Step 4: Simplify right side
710,712.18x = 218,686,025,835.31 - Step 5: Solve for x
x = 218,686,025,835.31/710,712.18 - Step 6: Final answer
x = 307,699.84
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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.