Finding the Fourth Proportional to 914,572.49, 1,262,118.87 and 506,682.99
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Solution
The fourth proportional to 914,572.49, 1,262,118.87 and 506,682.99 is: 699,227.42
Step by Step Solution
- Step 1: Write the proportion equation
914,572.49 : 1,262,118.87 = 506,682.99 : x - Step 2: Convert to fraction form
914,572.49/1,262,118.87 = 506,682.99/x - Step 3: Cross multiply
914,572.49x = 1,262,118.87 × 506,682.99 - Step 4: Simplify right side
914,572.49x = 639,494,162,787.02 - Step 5: Solve for x
x = 639,494,162,787.02/914,572.49 - Step 6: Final answer
x = 699,227.42
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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.