Finding the Fourth Proportional to 865,364.32, 1,194,202.69 and 483,391.09
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Solution
The fourth proportional to 865,364.32, 1,194,202.69 and 483,391.09 is: 667,079.67
Step by Step Solution
- Step 1: Write the proportion equation
865,364.32 : 1,194,202.69 = 483,391.09 : x - Step 2: Convert to fraction form
865,364.32/1,194,202.69 = 483,391.09/x - Step 3: Cross multiply
865,364.32x = 1,194,202.69 × 483,391.09 - Step 4: Simplify right side
865,364.32x = 577,266,941,777.06 - Step 5: Solve for x
x = 577,266,941,777.06/865,364.32 - Step 6: Final answer
x = 667,079.67
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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.