Finding the Fourth Proportional to 674,393.49, 930,652.14 and 368,463.33
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Solution
The fourth proportional to 674,393.49, 930,652.14 and 368,463.33 is: 508,473.45
Step by Step Solution
- Step 1: Write the proportion equation
674,393.49 : 930,652.14 = 368,463.33 : x - Step 2: Convert to fraction form
674,393.49/930,652.14 = 368,463.33/x - Step 3: Cross multiply
674,393.49x = 930,652.14 × 368,463.33 - Step 4: Simplify right side
674,393.49x = 342,911,186,576.03 - Step 5: Solve for x
x = 342,911,186,576.03/674,393.49 - Step 6: Final answer
x = 508,473.45
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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.