Finding the Fourth Proportional to 674,565.44, 930,913.80 and 368,660.84
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Solution
The fourth proportional to 674,565.44, 930,913.80 and 368,660.84 is: 508,759.33
Step by Step Solution
- Step 1: Write the proportion equation
674,565.44 : 930,913.80 = 368,660.84 : x - Step 2: Convert to fraction form
674,565.44/930,913.80 = 368,660.84/x - Step 3: Cross multiply
674,565.44x = 930,913.80 × 368,660.84 - Step 4: Simplify right side
674,565.44x = 343,191,463,475.59 - Step 5: Solve for x
x = 343,191,463,475.59/674,565.44 - Step 6: Final answer
x = 508,759.33
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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.