Finding the Fourth Proportional to 748,325.75, 1,032,690.50 and 426,035.82
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Solution
The fourth proportional to 748,325.75, 1,032,690.50 and 426,035.82 is: 587,929.99
Step by Step Solution
- Step 1: Write the proportion equation
748,325.75 : 1,032,690.50 = 426,035.82 : x - Step 2: Convert to fraction form
748,325.75/1,032,690.50 = 426,035.82/x - Step 3: Cross multiply
748,325.75x = 1,032,690.50 × 426,035.82 - Step 4: Simplify right side
748,325.75x = 439,963,145,716.12 - Step 5: Solve for x
x = 439,963,145,716.12/748,325.75 - Step 6: Final answer
x = 587,929.99
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1.5x scale
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.