Finding the Fourth Proportional to 674,558.87, 930,903.44 and 368,648.19
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Solution
The fourth proportional to 674,558.87, 930,903.44 and 368,648.19 is: 508,741.17
Step by Step Solution
- Step 1: Write the proportion equation
674,558.87 : 930,903.44 = 368,648.19 : x - Step 2: Convert to fraction form
674,558.87/930,903.44 = 368,648.19/x - Step 3: Cross multiply
674,558.87x = 930,903.44 × 368,648.19 - Step 4: Simplify right side
674,558.87x = 343,175,866,377.53 - Step 5: Solve for x
x = 343,175,866,377.53/674,558.87 - Step 6: Final answer
x = 508,741.17
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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.