Finding the Fourth Proportional to 810,485.44, 1,214,641.36 and 630,787.80
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Solution
The fourth proportional to 810,485.44, 1,214,641.36 and 630,787.80 is: 945,335.86
Step by Step Solution
- Step 1: Write the proportion equation
810,485.44 : 1,214,641.36 = 630,787.80 : x - Step 2: Convert to fraction form
810,485.44/1,214,641.36 = 630,787.80/x - Step 3: Cross multiply
810,485.44x = 1,214,641.36 × 630,787.80 - Step 4: Simplify right side
810,485.44x = 766,180,951,263.41 - Step 5: Solve for x
x = 766,180,951,263.41/810,485.44 - Step 6: Final answer
x = 945,335.86
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.