Finding the Fourth Proportional to 849,697.44, 1,172,479.08 and 505,543.44
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Solution
The fourth proportional to 849,697.44, 1,172,479.08 and 505,543.44 is: 697,588.44
Step by Step Solution
- Step 1: Write the proportion equation
849,697.44 : 1,172,479.08 = 505,543.44 : x - Step 2: Convert to fraction form
849,697.44/1,172,479.08 = 505,543.44/x - Step 3: Cross multiply
849,697.44x = 1,172,479.08 × 505,543.44 - Step 4: Simplify right side
849,697.44x = 592,739,107,431.24 - Step 5: Solve for x
x = 592,739,107,431.24/849,697.44 - Step 6: Final answer
x = 697,588.44
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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.