Finding the Fourth Proportional to 782,929.88, 1,174,395.46 and 214,315.68
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Solution
The fourth proportional to 782,929.88, 1,174,395.46 and 214,315.68 is: 321,473.70
Step by Step Solution
- Step 1: Write the proportion equation
782,929.88 : 1,174,395.46 = 214,315.68 : x - Step 2: Convert to fraction form
782,929.88/1,174,395.46 = 214,315.68/x - Step 3: Cross multiply
782,929.88x = 1,174,395.46 × 214,315.68 - Step 4: Simplify right side
782,929.88x = 251,691,361,598.81 - Step 5: Solve for x
x = 251,691,361,598.81/782,929.88 - Step 6: Final answer
x = 321,473.70
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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.