Finding the Fourth Proportional to 738,243.60, 1,106,674.20 and 578,230.80
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Solution
The fourth proportional to 738,243.60, 1,106,674.20 and 578,230.80 is: 866,804.82
Step by Step Solution
- Step 1: Write the proportion equation
738,243.60 : 1,106,674.20 = 578,230.80 : x - Step 2: Convert to fraction form
738,243.60/1,106,674.20 = 578,230.80/x - Step 3: Cross multiply
738,243.60x = 1,106,674.20 × 578,230.80 - Step 4: Simplify right side
738,243.60x = 639,913,108,005.36 - Step 5: Solve for x
x = 639,913,108,005.36/738,243.60 - Step 6: Final answer
x = 866,804.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.