Finding the Fourth Proportional to 880,671.87, 1,215,327.18 and 498,772.46
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Solution
The fourth proportional to 880,671.87, 1,215,327.18 and 498,772.46 is: 688,305.99
Step by Step Solution
- Step 1: Write the proportion equation
880,671.87 : 1,215,327.18 = 498,772.46 : x - Step 2: Convert to fraction form
880,671.87/1,215,327.18 = 498,772.46/x - Step 3: Cross multiply
880,671.87x = 1,215,327.18 × 498,772.46 - Step 4: Simplify right side
880,671.87x = 606,171,725,257.05 - Step 5: Solve for x
x = 606,171,725,257.05/880,671.87 - Step 6: Final answer
x = 688,305.99
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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.