Finding the Fourth Proportional to 738,133.12, 1,018,875.24 and 458,948.80
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Solution
The fourth proportional to 738,133.12, 1,018,875.24 and 458,948.80 is: 633,505.74
Step by Step Solution
- Step 1: Write the proportion equation
738,133.12 : 1,018,875.24 = 458,948.80 : x - Step 2: Convert to fraction form
738,133.12/1,018,875.24 = 458,948.80/x - Step 3: Cross multiply
738,133.12x = 1,018,875.24 × 458,948.80 - Step 4: Simplify right side
738,133.12x = 467,611,568,747.71 - Step 5: Solve for x
x = 467,611,568,747.71/738,133.12 - Step 6: Final answer
x = 633,505.74
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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.