Finding the Fourth Proportional to 761,851.36, 1,142,798.10 and 424,703.44
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Solution
The fourth proportional to 761,851.36, 1,142,798.10 and 424,703.44 is: 637,066.90
Step by Step Solution
- Step 1: Write the proportion equation
761,851.36 : 1,142,798.10 = 424,703.44 : x - Step 2: Convert to fraction form
761,851.36/1,142,798.10 = 424,703.44/x - Step 3: Cross multiply
761,851.36x = 1,142,798.10 × 424,703.44 - Step 4: Simplify right side
761,851.36x = 485,350,284,295.46 - Step 5: Solve for x
x = 485,350,284,295.46/761,851.36 - Step 6: Final answer
x = 637,066.90
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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.