Finding the Fourth Proportional to 893,380.07, 1,232,860.46 and 485,474.19
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Solution
The fourth proportional to 893,380.07, 1,232,860.46 and 485,474.19 is: 669,952.19
Step by Step Solution
- Step 1: Write the proportion equation
893,380.07 : 1,232,860.46 = 485,474.19 : x - Step 2: Convert to fraction form
893,380.07/1,232,860.46 = 485,474.19/x - Step 3: Cross multiply
893,380.07x = 1,232,860.46 × 485,474.19 - Step 4: Simplify right side
893,380.07x = 598,521,930,774.16 - Step 5: Solve for x
x = 598,521,930,774.16/893,380.07 - Step 6: Final answer
x = 669,952.19
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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.