Finding the Fourth Proportional to 674,503.44, 930,817.18 and 368,579.83
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Solution
The fourth proportional to 674,503.44, 930,817.18 and 368,579.83 is: 508,641.49
Step by Step Solution
- Step 1: Write the proportion equation
674,503.44 : 930,817.18 = 368,579.83 : x - Step 2: Convert to fraction form
674,503.44/930,817.18 = 368,579.83/x - Step 3: Cross multiply
674,503.44x = 930,817.18 × 368,579.83 - Step 4: Simplify right side
674,503.44x = 343,080,437,965.48 - Step 5: Solve for x
x = 343,080,437,965.48/674,503.44 - Step 6: Final answer
x = 508,641.49
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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.