Finding the Fourth Proportional to 834,140.21, 1,151,104.82 and 466,612.58
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Solution
The fourth proportional to 834,140.21, 1,151,104.82 and 466,612.58 is: 643,920.50
Step by Step Solution
- Step 1: Write the proportion equation
834,140.21 : 1,151,104.82 = 466,612.58 : x - Step 2: Convert to fraction form
834,140.21/1,151,104.82 = 466,612.58/x - Step 3: Cross multiply
834,140.21x = 1,151,104.82 × 466,612.58 - Step 4: Simplify right side
834,140.21x = 537,119,981,822.05 - Step 5: Solve for x
x = 537,119,981,822.05/834,140.21 - Step 6: Final answer
x = 643,920.50
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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.