Finding the Fourth Proportional to 810,483.44, 1,214,638.36 and 630,785.80
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Solution
The fourth proportional to 810,483.44, 1,214,638.36 and 630,785.80 is: 945,332.86
Step by Step Solution
- Step 1: Write the proportion equation
810,483.44 : 1,214,638.36 = 630,785.80 : x - Step 2: Convert to fraction form
810,483.44/1,214,638.36 = 630,785.80/x - Step 3: Cross multiply
810,483.44x = 1,214,638.36 × 630,785.80 - Step 4: Simplify right side
810,483.44x = 766,176,629,623.29 - Step 5: Solve for x
x = 766,176,629,623.29/810,483.44 - Step 6: Final answer
x = 945,332.86
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.