Finding the Fourth Proportional to 674,435.74, 930,710.50 and 368,505.49
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Solution
The fourth proportional to 674,435.74, 930,710.50 and 368,505.49 is: 508,531.66
Step by Step Solution
- Step 1: Write the proportion equation
674,435.74 : 930,710.50 = 368,505.49 : x - Step 2: Convert to fraction form
674,435.74/930,710.50 = 368,505.49/x - Step 3: Cross multiply
674,435.74x = 930,710.50 × 368,505.49 - Step 4: Simplify right side
674,435.74x = 342,971,928,850.65 - Step 5: Solve for x
x = 342,971,928,850.65/674,435.74 - Step 6: Final answer
x = 508,531.66
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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.