Finding the Fourth Proportional to 674,385.99, 930,641.81 and 368,455.80
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Solution
The fourth proportional to 674,385.99, 930,641.81 and 368,455.80 is: 508,463.07
Step by Step Solution
- Step 1: Write the proportion equation
674,385.99 : 930,641.81 = 368,455.80 : x - Step 2: Convert to fraction form
674,385.99/930,641.81 = 368,455.80/x - Step 3: Cross multiply
674,385.99x = 930,641.81 × 368,455.80 - Step 4: Simplify right side
674,385.99x = 342,900,370,338.49 - Step 5: Solve for x
x = 342,900,370,338.49/674,385.99 - Step 6: Final answer
x = 508,463.07
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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.