Finding the Fourth Proportional to 948,855.83, 1,309,453.74 and 519,135.98
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Solution
The fourth proportional to 948,855.83, 1,309,453.74 and 519,135.98 is: 716,425.54
Step by Step Solution
- Step 1: Write the proportion equation
948,855.83 : 1,309,453.74 = 519,135.98 : x - Step 2: Convert to fraction form
948,855.83/1,309,453.74 = 519,135.98/x - Step 3: Cross multiply
948,855.83x = 1,309,453.74 × 519,135.98 - Step 4: Simplify right side
948,855.83x = 679,784,544,032.30 - Step 5: Solve for x
x = 679,784,544,032.30/948,855.83 - Step 6: Final answer
x = 716,425.54
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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.